Home / 87,248.88-120,389.36-49,006.60

Finding the Fourth Proportional to 87,248.88, 120,389.36 and 49,006.60

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Solution

The fourth proportional to 87,248.88, 120,389.36 and 49,006.60 is: 67,621.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,248.88 : 120,389.36 = 49,006.60 : x
  2. Step 2: Convert to fraction form
    87,248.88/120,389.36 = 49,006.60/x
  3. Step 3: Cross multiply
    87,248.88x = 120,389.36 × 49,006.60
  4. Step 4: Simplify right side
    87,248.88x = 5,899,873,209.78
  5. Step 5: Solve for x
    x = 5,899,873,209.78/87,248.88
  6. Step 6: Final answer
    x = 67,621.19

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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.