Has your organization divided up the type of motions into the ones that require a unanimous resolution, those that require a 75% approval and the ordinary resolutions which only need to have a quorum?
Most decisions can be made with an ordinary motion passed with a simple majority. However, some groups have taken the time to create a couple of classes of motions. A super majority, often defined as 75% of the members, is generally required for important items like changing bylaws. Unanimous resolutions would be reserved for the most important decisions. Sometimes a group will decide that a policy can only be ignored if the board agrees unanimously. Take a little time and define if there are any motions that your group feels should be passed with something more than an ordinary resolution.