Finding the Fourth Proportional to 87,717.44, 131,545.10 and 28,542.08
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Solution
The fourth proportional to 87,717.44, 131,545.10 and 28,542.08 is: 42,803.01
Step by Step Solution
- Step 1: Write the proportion equation
87,717.44 : 131,545.10 = 28,542.08 : x - Step 2: Convert to fraction form
87,717.44/131,545.10 = 28,542.08/x - Step 3: Cross multiply
87,717.44x = 131,545.10 × 28,542.08 - Step 4: Simplify right side
87,717.44x = 3,754,570,767.81 - Step 5: Solve for x
x = 3,754,570,767.81/87,717.44 - Step 6: Final answer
x = 42,803.01
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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.