Finding the Fourth Proportional to 71,711.57, 107,563.24 and 27,342.80
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Solution
The fourth proportional to 71,711.57, 107,563.24 and 27,342.80 is: 41,012.63
Step by Step Solution
- Step 1: Write the proportion equation
71,711.57 : 107,563.24 = 27,342.80 : x - Step 2: Convert to fraction form
71,711.57/107,563.24 = 27,342.80/x - Step 3: Cross multiply
71,711.57x = 107,563.24 × 27,342.80 - Step 4: Simplify right side
71,711.57x = 2,941,080,158.67 - Step 5: Solve for x
x = 2,941,080,158.67/71,711.57 - Step 6: Final answer
x = 41,012.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.