Finding the Fourth Proportional to 87,575.99, 131,376.27 and 28,392.53
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Solution
The fourth proportional to 87,575.99, 131,376.27 and 28,392.53 is: 42,592.78
Step by Step Solution
- Step 1: Write the proportion equation
87,575.99 : 131,376.27 = 28,392.53 : x - Step 2: Convert to fraction form
87,575.99/131,376.27 = 28,392.53/x - Step 3: Cross multiply
87,575.99x = 131,376.27 × 28,392.53 - Step 4: Simplify right side
87,575.99x = 3,730,104,687.26 - Step 5: Solve for x
x = 3,730,104,687.26/87,575.99 - Step 6: Final answer
x = 42,592.78
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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.