Home / 87,844.16-121,224.90-47,557.90

Finding the Fourth Proportional to 87,844.16, 121,224.90 and 47,557.90

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Solution

The fourth proportional to 87,844.16, 121,224.90 and 47,557.90 is: 65,629.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,844.16 : 121,224.90 = 47,557.90 : x
  2. Step 2: Convert to fraction form
    87,844.16/121,224.90 = 47,557.90/x
  3. Step 3: Cross multiply
    87,844.16x = 121,224.90 × 47,557.90
  4. Step 4: Simplify right side
    87,844.16x = 5,765,202,001.58
  5. Step 5: Solve for x
    x = 5,765,202,001.58/87,844.16
  6. Step 6: Final answer
    x = 65,629.88

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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.