Home / 87,380.56-131,079.36-34,777.76

Finding the Fourth Proportional to 87,380.56, 131,079.36 and 34,777.76

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Solution

The fourth proportional to 87,380.56, 131,079.36 and 34,777.76 is: 52,170.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,380.56 : 131,079.36 = 34,777.76 : x
  2. Step 2: Convert to fraction form
    87,380.56/131,079.36 = 34,777.76/x
  3. Step 3: Cross multiply
    87,380.56x = 131,079.36 × 34,777.76
  4. Step 4: Simplify right side
    87,380.56x = 4,558,646,523.03
  5. Step 5: Solve for x
    x = 4,558,646,523.03/87,380.56
  6. Step 6: Final answer
    x = 52,170.03

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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.