Home / 87,760.67-131,548.05-43,331.76

Finding the Fourth Proportional to 87,760.67, 131,548.05 and 43,331.76

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Solution

The fourth proportional to 87,760.67, 131,548.05 and 43,331.76 is: 64,951.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,760.67 : 131,548.05 = 43,331.76 : x
  2. Step 2: Convert to fraction form
    87,760.67/131,548.05 = 43,331.76/x
  3. Step 3: Cross multiply
    87,760.67x = 131,548.05 × 43,331.76
  4. Step 4: Simplify right side
    87,760.67x = 5,700,208,531.07
  5. Step 5: Solve for x
    x = 5,700,208,531.07/87,760.67
  6. Step 6: Final answer
    x = 64,951.75

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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.