Home / 87,451.29-131,162.38-24,277.70

Finding the Fourth Proportional to 87,451.29, 131,162.38 and 24,277.70

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Solution

The fourth proportional to 87,451.29, 131,162.38 and 24,277.70 is: 36,412.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,451.29 : 131,162.38 = 24,277.70 : x
  2. Step 2: Convert to fraction form
    87,451.29/131,162.38 = 24,277.70/x
  3. Step 3: Cross multiply
    87,451.29x = 131,162.38 × 24,277.70
  4. Step 4: Simplify right side
    87,451.29x = 3,184,321,180.14
  5. Step 5: Solve for x
    x = 3,184,321,180.14/87,451.29
  6. Step 6: Final answer
    x = 36,412.51

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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.