Home / 87,655.20-131,434.20-37,726.80

Finding the Fourth Proportional to 87,655.20, 131,434.20 and 37,726.80

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Solution

The fourth proportional to 87,655.20, 131,434.20 and 37,726.80 is: 56,569.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,655.20 : 131,434.20 = 37,726.80 : x
  2. Step 2: Convert to fraction form
    87,655.20/131,434.20 = 37,726.80/x
  3. Step 3: Cross multiply
    87,655.20x = 131,434.20 × 37,726.80
  4. Step 4: Simplify right side
    87,655.20x = 4,958,591,776.56
  5. Step 5: Solve for x
    x = 4,958,591,776.56/87,655.20
  6. Step 6: Final answer
    x = 56,569.28

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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.