Home / 87,744.22-121,087.04-49,511.88

Finding the Fourth Proportional to 87,744.22, 121,087.04 and 49,511.88

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Solution

The fourth proportional to 87,744.22, 121,087.04 and 49,511.88 is: 68,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,744.22 : 121,087.04 = 49,511.88 : x
  2. Step 2: Convert to fraction form
    87,744.22/121,087.04 = 49,511.88/x
  3. Step 3: Cross multiply
    87,744.22x = 121,087.04 × 49,511.88
  4. Step 4: Simplify right side
    87,744.22x = 5,995,246,994.04
  5. Step 5: Solve for x
    x = 5,995,246,994.04/87,744.22
  6. Step 6: Final answer
    x = 68,326.40

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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.