Finding the Fourth Proportional to 87,818.04, 121,191.84 and 53,819.96
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Solution
The fourth proportional to 87,818.04, 121,191.84 and 53,819.96 is: 74,273.35
Step by Step Solution
- Step 1: Write the proportion equation
87,818.04 : 121,191.84 = 53,819.96 : x - Step 2: Convert to fraction form
87,818.04/121,191.84 = 53,819.96/x - Step 3: Cross multiply
87,818.04x = 121,191.84 × 53,819.96 - Step 4: Simplify right side
87,818.04x = 6,522,539,981.13 - Step 5: Solve for x
x = 6,522,539,981.13/87,818.04 - Step 6: Final answer
x = 74,273.35
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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.