Finding the Fourth Proportional to 96,983.82, 133,761.68 and 66,375.02
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Solution
The fourth proportional to 96,983.82, 133,761.68 and 66,375.02 is: 91,545.52
Step by Step Solution
- Step 1: Write the proportion equation
96,983.82 : 133,761.68 = 66,375.02 : x - Step 2: Convert to fraction form
96,983.82/133,761.68 = 66,375.02/x - Step 3: Cross multiply
96,983.82x = 133,761.68 × 66,375.02 - Step 4: Simplify right side
96,983.82x = 8,878,434,185.23 - Step 5: Solve for x
x = 8,878,434,185.23/96,983.82 - Step 6: Final answer
x = 91,545.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.