Finding the Fourth Proportional to 71,884.23, 107,775.30 and 27,473.55
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Solution
The fourth proportional to 71,884.23, 107,775.30 and 27,473.55 is: 41,190.82
Step by Step Solution
- Step 1: Write the proportion equation
71,884.23 : 107,775.30 = 27,473.55 : x - Step 2: Convert to fraction form
71,884.23/107,775.30 = 27,473.55/x - Step 3: Cross multiply
71,884.23x = 107,775.30 × 27,473.55 - Step 4: Simplify right side
71,884.23x = 2,960,970,093.32 - Step 5: Solve for x
x = 2,960,970,093.32/71,884.23 - Step 6: Final answer
x = 41,190.82
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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.