Finding the Fourth Proportional to 87,614.40, 131,434.72 and 32,206.08
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Solution
The fourth proportional to 87,614.40, 131,434.72 and 32,206.08 is: 48,313.94
Step by Step Solution
- Step 1: Write the proportion equation
87,614.40 : 131,434.72 = 32,206.08 : x - Step 2: Convert to fraction form
87,614.40/131,434.72 = 32,206.08/x - Step 3: Cross multiply
87,614.40x = 131,434.72 × 32,206.08 - Step 4: Simplify right side
87,614.40x = 4,232,997,107.10 - Step 5: Solve for x
x = 4,232,997,107.10/87,614.40 - Step 6: Final answer
x = 48,313.94
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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.