Home / 87,924.87-131,794.32-28,744.65

Finding the Fourth Proportional to 87,924.87, 131,794.32 and 28,744.65

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Solution

The fourth proportional to 87,924.87, 131,794.32 and 28,744.65 is: 43,086.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,924.87 : 131,794.32 = 28,744.65 : x
  2. Step 2: Convert to fraction form
    87,924.87/131,794.32 = 28,744.65/x
  3. Step 3: Cross multiply
    87,924.87x = 131,794.32 × 28,744.65
  4. Step 4: Simplify right side
    87,924.87x = 3,788,381,600.39
  5. Step 5: Solve for x
    x = 3,788,381,600.39/87,924.87
  6. Step 6: Final answer
    x = 43,086.58

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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.