Finding the Fourth Proportional to 84,177.92, 125,721.02 and 76,264.62
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Solution
The fourth proportional to 84,177.92, 125,721.02 and 76,264.62 is: 113,902.38
Step by Step Solution
- Step 1: Write the proportion equation
84,177.92 : 125,721.02 = 76,264.62 : x - Step 2: Convert to fraction form
84,177.92/125,721.02 = 76,264.62/x - Step 3: Cross multiply
84,177.92x = 125,721.02 × 76,264.62 - Step 4: Simplify right side
84,177.92x = 9,588,065,816.31 - Step 5: Solve for x
x = 9,588,065,816.31/84,177.92 - Step 6: Final answer
x = 113,902.38
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.