Home / 87,744.97-121,088.08-49,512.64

Finding the Fourth Proportional to 87,744.97, 121,088.08 and 49,512.64

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Solution

The fourth proportional to 87,744.97, 121,088.08 and 49,512.64 is: 68,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,744.97 : 121,088.08 = 49,512.64 : x
  2. Step 2: Convert to fraction form
    87,744.97/121,088.08 = 49,512.64/x
  3. Step 3: Cross multiply
    87,744.97x = 121,088.08 × 49,512.64
  4. Step 4: Simplify right side
    87,744.97x = 5,995,390,513.33
  5. Step 5: Solve for x
    x = 5,995,390,513.33/87,744.97
  6. Step 6: Final answer
    x = 68,327.46

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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.