Home / 87,824.95-131,758.38-28,660.73

Finding the Fourth Proportional to 87,824.95, 131,758.38 and 28,660.73

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Solution

The fourth proportional to 87,824.95, 131,758.38 and 28,660.73 is: 42,997.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,824.95 : 131,758.38 = 28,660.73 : x
  2. Step 2: Convert to fraction form
    87,824.95/131,758.38 = 28,660.73/x
  3. Step 3: Cross multiply
    87,824.95x = 131,758.38 × 28,660.73
  4. Step 4: Simplify right side
    87,824.95x = 3,776,290,695.63
  5. Step 5: Solve for x
    x = 3,776,290,695.63/87,824.95
  6. Step 6: Final answer
    x = 42,997.93

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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.