Home / 87,679.87-131,445.99-35,060.65

Finding the Fourth Proportional to 87,679.87, 131,445.99 and 35,060.65

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Solution

The fourth proportional to 87,679.87, 131,445.99 and 35,060.65 is: 52,561.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,679.87 : 131,445.99 = 35,060.65 : x
  2. Step 2: Convert to fraction form
    87,679.87/131,445.99 = 35,060.65/x
  3. Step 3: Cross multiply
    87,679.87x = 131,445.99 × 35,060.65
  4. Step 4: Simplify right side
    87,679.87x = 4,608,581,520.68
  5. Step 5: Solve for x
    x = 4,608,581,520.68/87,679.87
  6. Step 6: Final answer
    x = 52,561.46

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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.