Finding the Fourth Proportional to 71,472.24, 107,090.20 and 24,699.12
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Solution
The fourth proportional to 71,472.24, 107,090.20 and 24,699.12 is: 37,007.85
Step by Step Solution
- Step 1: Write the proportion equation
71,472.24 : 107,090.20 = 24,699.12 : x - Step 2: Convert to fraction form
71,472.24/107,090.20 = 24,699.12/x - Step 3: Cross multiply
71,472.24x = 107,090.20 × 24,699.12 - Step 4: Simplify right side
71,472.24x = 2,645,033,700.62 - Step 5: Solve for x
x = 2,645,033,700.62/71,472.24 - Step 6: Final answer
x = 37,007.85
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1.5x scale
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.