Home / 87,462.85-131,162.14-31,287.73

Finding the Fourth Proportional to 87,462.85, 131,162.14 and 31,287.73

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Solution

The fourth proportional to 87,462.85, 131,162.14 and 31,287.73 is: 46,920.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,462.85 : 131,162.14 = 31,287.73 : x
  2. Step 2: Convert to fraction form
    87,462.85/131,162.14 = 31,287.73/x
  3. Step 3: Cross multiply
    87,462.85x = 131,162.14 × 31,287.73
  4. Step 4: Simplify right side
    87,462.85x = 4,103,764,810.29
  5. Step 5: Solve for x
    x = 4,103,764,810.29/87,462.85
  6. Step 6: Final answer
    x = 46,920.09

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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.