Finding the Fourth Proportional to 87,595.68, 120,882.18 and 49,869.96
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Solution
The fourth proportional to 87,595.68, 120,882.18 and 49,869.96 is: 68,820.63
Step by Step Solution
- Step 1: Write the proportion equation
87,595.68 : 120,882.18 = 49,869.96 : x - Step 2: Convert to fraction form
87,595.68/120,882.18 = 49,869.96/x - Step 3: Cross multiply
87,595.68x = 120,882.18 × 49,869.96 - Step 4: Simplify right side
87,595.68x = 6,028,389,481.31 - Step 5: Solve for x
x = 6,028,389,481.31/87,595.68 - Step 6: Final answer
x = 68,820.63
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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.