Home / 87,276.97-120,434.82-49,033.52

Finding the Fourth Proportional to 87,276.97, 120,434.82 and 49,033.52

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Solution

The fourth proportional to 87,276.97, 120,434.82 and 49,033.52 is: 67,662.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,276.97 : 120,434.82 = 49,033.52 : x
  2. Step 2: Convert to fraction form
    87,276.97/120,434.82 = 49,033.52/x
  3. Step 3: Cross multiply
    87,276.97x = 120,434.82 × 49,033.52
  4. Step 4: Simplify right side
    87,276.97x = 5,905,343,155.17
  5. Step 5: Solve for x
    x = 5,905,343,155.17/87,276.97
  6. Step 6: Final answer
    x = 67,662.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.