Home / 87,844.64-121,227.64-49,616.48

Finding the Fourth Proportional to 87,844.64, 121,227.64 and 49,616.48

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Solution

The fourth proportional to 87,844.64, 121,227.64 and 49,616.48 is: 68,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,844.64 : 121,227.64 = 49,616.48 : x
  2. Step 2: Convert to fraction form
    87,844.64/121,227.64 = 49,616.48/x
  3. Step 3: Cross multiply
    87,844.64x = 121,227.64 × 49,616.48
  4. Step 4: Simplify right side
    87,844.64x = 6,014,888,954.54
  5. Step 5: Solve for x
    x = 6,014,888,954.54/87,844.64
  6. Step 6: Final answer
    x = 68,471.90

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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.