Finding the Fourth Proportional to 83,874.36, 115,753.19 and 48,073.17
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Solution
The fourth proportional to 83,874.36, 115,753.19 and 48,073.17 is: 66,344.74
Step by Step Solution
- Step 1: Write the proportion equation
83,874.36 : 115,753.19 = 48,073.17 : x - Step 2: Convert to fraction form
83,874.36/115,753.19 = 48,073.17/x - Step 3: Cross multiply
83,874.36x = 115,753.19 × 48,073.17 - Step 4: Simplify right side
83,874.36x = 5,564,622,780.91 - Step 5: Solve for x
x = 5,564,622,780.91/83,874.36 - Step 6: Final answer
x = 66,344.74
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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.