Home / 87,725.38-131,568.63-35,120.74

Finding the Fourth Proportional to 87,725.38, 131,568.63 and 35,120.74

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Solution

The fourth proportional to 87,725.38, 131,568.63 and 35,120.74 is: 52,673.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,725.38 : 131,568.63 = 35,120.74 : x
  2. Step 2: Convert to fraction form
    87,725.38/131,568.63 = 35,120.74/x
  3. Step 3: Cross multiply
    87,725.38x = 131,568.63 × 35,120.74
  4. Step 4: Simplify right side
    87,725.38x = 4,620,787,646.39
  5. Step 5: Solve for x
    x = 4,620,787,646.39/87,725.38
  6. Step 6: Final answer
    x = 52,673.33

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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.