Finding the Fourth Proportional to 71,811.03, 107,723.91 and 27,475.07
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Solution
The fourth proportional to 71,811.03, 107,723.91 and 27,475.07 is: 41,215.42
Step by Step Solution
- Step 1: Write the proportion equation
71,811.03 : 107,723.91 = 27,475.07 : x - Step 2: Convert to fraction form
71,811.03/107,723.91 = 27,475.07/x - Step 3: Cross multiply
71,811.03x = 107,723.91 × 27,475.07 - Step 4: Simplify right side
71,811.03x = 2,959,721,429.30 - Step 5: Solve for x
x = 2,959,721,429.30/71,811.03 - Step 6: Final answer
x = 41,215.42
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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.