Home / 87,039.38-130,568.16-37,124.76

Finding the Fourth Proportional to 87,039.38, 130,568.16 and 37,124.76

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Solution

The fourth proportional to 87,039.38, 130,568.16 and 37,124.76 is: 55,691.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,039.38 : 130,568.16 = 37,124.76 : x
  2. Step 2: Convert to fraction form
    87,039.38/130,568.16 = 37,124.76/x
  3. Step 3: Cross multiply
    87,039.38x = 130,568.16 × 37,124.76
  4. Step 4: Simplify right side
    87,039.38x = 4,847,311,603.64
  5. Step 5: Solve for x
    x = 4,847,311,603.64/87,039.38
  6. Step 6: Final answer
    x = 55,691.02

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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.