Home / 87,849.92-131,609.76-43,424.96

Finding the Fourth Proportional to 87,849.92, 131,609.76 and 43,424.96

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Solution

The fourth proportional to 87,849.92, 131,609.76 and 43,424.96 is: 65,055.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,849.92 : 131,609.76 = 43,424.96 : x
  2. Step 2: Convert to fraction form
    87,849.92/131,609.76 = 43,424.96/x
  3. Step 3: Cross multiply
    87,849.92x = 131,609.76 × 43,424.96
  4. Step 4: Simplify right side
    87,849.92x = 5,715,148,563.61
  5. Step 5: Solve for x
    x = 5,715,148,563.61/87,849.92
  6. Step 6: Final answer
    x = 65,055.82

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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.