Finding the Fourth Proportional to 71,610.12, 107,415.22 and 27,226.62
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Solution
The fourth proportional to 71,610.12, 107,415.22 and 27,226.62 is: 40,839.95
Step by Step Solution
- Step 1: Write the proportion equation
71,610.12 : 107,415.22 = 27,226.62 : x - Step 2: Convert to fraction form
71,610.12/107,415.22 = 27,226.62/x - Step 3: Cross multiply
71,610.12x = 107,415.22 × 27,226.62 - Step 4: Simplify right side
71,610.12x = 2,924,553,377.16 - Step 5: Solve for x
x = 2,924,553,377.16/71,610.12 - Step 6: Final answer
x = 40,839.95
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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.