Finding the Fourth Proportional to 73,737.13, 101,757.18 and 40,203.13
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Solution
The fourth proportional to 73,737.13, 101,757.18 and 40,203.13 is: 55,480.29
Step by Step Solution
- Step 1: Write the proportion equation
73,737.13 : 101,757.18 = 40,203.13 : x - Step 2: Convert to fraction form
73,737.13/101,757.18 = 40,203.13/x - Step 3: Cross multiply
73,737.13x = 101,757.18 × 40,203.13 - Step 4: Simplify right side
73,737.13x = 4,090,957,135.97 - Step 5: Solve for x
x = 4,090,957,135.97/73,737.13 - Step 6: Final answer
x = 55,480.29
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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.