Finding the Fourth Proportional to 77,044.92, 106,318.17 and 43,046.70
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Solution
The fourth proportional to 77,044.92, 106,318.17 and 43,046.70 is: 59,402.31
Step by Step Solution
- Step 1: Write the proportion equation
77,044.92 : 106,318.17 = 43,046.70 : x - Step 2: Convert to fraction form
77,044.92/106,318.17 = 43,046.70/x - Step 3: Cross multiply
77,044.92x = 106,318.17 × 43,046.70 - Step 4: Simplify right side
77,044.92x = 4,576,646,368.54 - Step 5: Solve for x
x = 4,576,646,368.54/77,044.92 - Step 6: Final answer
x = 59,402.31
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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.