Finding the Fourth Proportional to 87,444.05, 131,158.79 and 52,358.09
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Solution
The fourth proportional to 87,444.05, 131,158.79 and 52,358.09 is: 78,532.77
Step by Step Solution
- Step 1: Write the proportion equation
87,444.05 : 131,158.79 = 52,358.09 : x - Step 2: Convert to fraction form
87,444.05/131,158.79 = 52,358.09/x - Step 3: Cross multiply
87,444.05x = 131,158.79 × 52,358.09 - Step 4: Simplify right side
87,444.05x = 6,867,223,469.32 - Step 5: Solve for x
x = 6,867,223,469.32/87,444.05 - Step 6: Final answer
x = 78,532.77
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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.