Finding the Fourth Proportional to 88,105.62, 121,586.12 and 47,819.44
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Solution
The fourth proportional to 88,105.62, 121,586.12 and 47,819.44 is: 65,991.02
Step by Step Solution
- Step 1: Write the proportion equation
88,105.62 : 121,586.12 = 47,819.44 : x - Step 2: Convert to fraction form
88,105.62/121,586.12 = 47,819.44/x - Step 3: Cross multiply
88,105.62x = 121,586.12 × 47,819.44 - Step 4: Simplify right side
88,105.62x = 5,814,180,170.17 - Step 5: Solve for x
x = 5,814,180,170.17/88,105.62 - Step 6: Final answer
x = 65,991.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.