Home / 87,116.56-130,618.68-37,229.20

Finding the Fourth Proportional to 87,116.56, 130,618.68 and 37,229.20

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Solution

The fourth proportional to 87,116.56, 130,618.68 and 37,229.20 is: 55,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,116.56 : 130,618.68 = 37,229.20 : x
  2. Step 2: Convert to fraction form
    87,116.56/130,618.68 = 37,229.20/x
  3. Step 3: Cross multiply
    87,116.56x = 130,618.68 × 37,229.20
  4. Step 4: Simplify right side
    87,116.56x = 4,862,828,961.46
  5. Step 5: Solve for x
    x = 4,862,828,961.46/87,116.56
  6. Step 6: Final answer
    x = 55,819.80

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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.