Home / 87,754.25-131,651.20-27,786.38

Finding the Fourth Proportional to 87,754.25, 131,651.20 and 27,786.38

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Solution

The fourth proportional to 87,754.25, 131,651.20 and 27,786.38 is: 41,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,754.25 : 131,651.20 = 27,786.38 : x
  2. Step 2: Convert to fraction form
    87,754.25/131,651.20 = 27,786.38/x
  3. Step 3: Cross multiply
    87,754.25x = 131,651.20 × 27,786.38
  4. Step 4: Simplify right side
    87,754.25x = 3,658,109,647.13
  5. Step 5: Solve for x
    x = 3,658,109,647.13/87,754.25
  6. Step 6: Final answer
    x = 41,685.84

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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.