Finding the Fourth Proportional to 87,338.13, 120,523.99 and 49,098.03
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Solution
The fourth proportional to 87,338.13, 120,523.99 and 49,098.03 is: 67,753.80
Step by Step Solution
- Step 1: Write the proportion equation
87,338.13 : 120,523.99 = 49,098.03 : x - Step 2: Convert to fraction form
87,338.13/120,523.99 = 49,098.03/x - Step 3: Cross multiply
87,338.13x = 120,523.99 × 49,098.03 - Step 4: Simplify right side
87,338.13x = 5,917,490,476.74 - Step 5: Solve for x
x = 5,917,490,476.74/87,338.13 - Step 6: Final answer
x = 67,753.80
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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.