Home / 87,267.54-130,704.48-40,422

Finding the Fourth Proportional to 87,267.54, 130,704.48 and 40,422

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Solution

The fourth proportional to 87,267.54, 130,704.48 and 40,422 is: 60,541.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,267.54 : 130,704.48 = 40,422 : x
  2. Step 2: Convert to fraction form
    87,267.54/130,704.48 = 40,422/x
  3. Step 3: Cross multiply
    87,267.54x = 130,704.48 × 40,422
  4. Step 4: Simplify right side
    87,267.54x = 5,283,336,490.56
  5. Step 5: Solve for x
    x = 5,283,336,490.56/87,267.54
  6. Step 6: Final answer
    x = 60,541.83

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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.