Finding the Fourth Proportional to 87,737.97, 121,133.84 and 62,297.70
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Solution
The fourth proportional to 87,737.97, 121,133.84 and 62,297.70 is: 86,010.19
Step by Step Solution
- Step 1: Write the proportion equation
87,737.97 : 121,133.84 = 62,297.70 : x - Step 2: Convert to fraction form
87,737.97/121,133.84 = 62,297.70/x - Step 3: Cross multiply
87,737.97x = 121,133.84 × 62,297.70 - Step 4: Simplify right side
87,737.97x = 7,546,359,624.17 - Step 5: Solve for x
x = 7,546,359,624.17/87,737.97 - Step 6: Final answer
x = 86,010.19
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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.