Finding the Fourth Proportional to 84,472.38, 126,872.60 and 62,197.79
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Solution
The fourth proportional to 84,472.38, 126,872.60 and 62,197.79 is: 93,417.45
Step by Step Solution
- Step 1: Write the proportion equation
84,472.38 : 126,872.60 = 62,197.79 : x - Step 2: Convert to fraction form
84,472.38/126,872.60 = 62,197.79/x - Step 3: Cross multiply
84,472.38x = 126,872.60 × 62,197.79 - Step 4: Simplify right side
84,472.38x = 7,891,194,386.20 - Step 5: Solve for x
x = 7,891,194,386.20/84,472.38 - Step 6: Final answer
x = 93,417.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.