Home / 87,960.25-131,912.97-28,782.73

Finding the Fourth Proportional to 87,960.25, 131,912.97 and 28,782.73

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Solution

The fourth proportional to 87,960.25, 131,912.97 and 28,782.73 is: 43,165.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,960.25 : 131,912.97 = 28,782.73 : x
  2. Step 2: Convert to fraction form
    87,960.25/131,912.97 = 28,782.73/x
  3. Step 3: Cross multiply
    87,960.25x = 131,912.97 × 28,782.73
  4. Step 4: Simplify right side
    87,960.25x = 3,796,815,399.01
  5. Step 5: Solve for x
    x = 3,796,815,399.01/87,960.25
  6. Step 6: Final answer
    x = 43,165.13

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1.5x scale

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.