Home / 87,685.52-131,621.88-37,790.24

Finding the Fourth Proportional to 87,685.52, 131,621.88 and 37,790.24

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Solution

The fourth proportional to 87,685.52, 131,621.88 and 37,790.24 is: 56,725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,685.52 : 131,621.88 = 37,790.24 : x
  2. Step 2: Convert to fraction form
    87,685.52/131,621.88 = 37,790.24/x
  3. Step 3: Cross multiply
    87,685.52x = 131,621.88 × 37,790.24
  4. Step 4: Simplify right side
    87,685.52x = 4,974,022,434.45
  5. Step 5: Solve for x
    x = 4,974,022,434.45/87,685.52
  6. Step 6: Final answer
    x = 56,725.70

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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.