Finding the Fourth Proportional to 71,640.05, 107,431.92 and 24,242.09
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Solution
The fourth proportional to 71,640.05, 107,431.92 and 24,242.09 is: 36,353.60
Step by Step Solution
- Step 1: Write the proportion equation
71,640.05 : 107,431.92 = 24,242.09 : x - Step 2: Convert to fraction form
71,640.05/107,431.92 = 24,242.09/x - Step 3: Cross multiply
71,640.05x = 107,431.92 × 24,242.09 - Step 4: Simplify right side
71,640.05x = 2,604,373,615.14 - Step 5: Solve for x
x = 2,604,373,615.14/71,640.05 - Step 6: Final answer
x = 36,353.60
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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.