Home / 87,754.90-121,091.33-49,512.25

Finding the Fourth Proportional to 87,754.90, 121,091.33 and 49,512.25

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Solution

The fourth proportional to 87,754.90, 121,091.33 and 49,512.25 is: 68,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,754.90 : 121,091.33 = 49,512.25 : x
  2. Step 2: Convert to fraction form
    87,754.90/121,091.33 = 49,512.25/x
  3. Step 3: Cross multiply
    87,754.90x = 121,091.33 × 49,512.25
  4. Step 4: Simplify right side
    87,754.90x = 5,995,503,653.50
  5. Step 5: Solve for x
    x = 5,995,503,653.50/87,754.90
  6. Step 6: Final answer
    x = 68,321.01

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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.