Finding the Fourth Proportional to 96,691.20, 133,432.84 and 53,671.07
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Solution
The fourth proportional to 96,691.20, 133,432.84 and 53,671.07 is: 74,065.52
Step by Step Solution
- Step 1: Write the proportion equation
96,691.20 : 133,432.84 = 53,671.07 : x - Step 2: Convert to fraction form
96,691.20/133,432.84 = 53,671.07/x - Step 3: Cross multiply
96,691.20x = 133,432.84 × 53,671.07 - Step 4: Simplify right side
96,691.20x = 7,161,483,833.02 - Step 5: Solve for x
x = 7,161,483,833.02/96,691.20 - Step 6: Final answer
x = 74,065.52
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1.5x scale
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.