Home / 87,156.26-130,789.68-37,236.73

Finding the Fourth Proportional to 87,156.26, 130,789.68 and 37,236.73

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Solution

The fourth proportional to 87,156.26, 130,789.68 and 37,236.73 is: 55,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,156.26 : 130,789.68 = 37,236.73 : x
  2. Step 2: Convert to fraction form
    87,156.26/130,789.68 = 37,236.73/x
  3. Step 3: Cross multiply
    87,156.26x = 130,789.68 × 37,236.73
  4. Step 4: Simplify right side
    87,156.26x = 4,870,180,000.95
  5. Step 5: Solve for x
    x = 4,870,180,000.95/87,156.26
  6. Step 6: Final answer
    x = 55,878.72

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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.