Finding the Fourth Proportional to 71,995.14, 107,992.26 and 38,730.88
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Solution
The fourth proportional to 71,995.14, 107,992.26 and 38,730.88 is: 58,096.08
Step by Step Solution
- Step 1: Write the proportion equation
71,995.14 : 107,992.26 = 38,730.88 : x - Step 2: Convert to fraction form
71,995.14/107,992.26 = 38,730.88/x - Step 3: Cross multiply
71,995.14x = 107,992.26 × 38,730.88 - Step 4: Simplify right side
71,995.14x = 4,182,635,262.99 - Step 5: Solve for x
x = 4,182,635,262.99/71,995.14 - Step 6: Final answer
x = 58,096.08
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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.