Home / 87,587.04-120,863.22-49,344.50

Finding the Fourth Proportional to 87,587.04, 120,863.22 and 49,344.50

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Solution

The fourth proportional to 87,587.04, 120,863.22 and 49,344.50 is: 68,091.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,587.04 : 120,863.22 = 49,344.50 : x
  2. Step 2: Convert to fraction form
    87,587.04/120,863.22 = 49,344.50/x
  3. Step 3: Cross multiply
    87,587.04x = 120,863.22 × 49,344.50
  4. Step 4: Simplify right side
    87,587.04x = 5,963,935,159.29
  5. Step 5: Solve for x
    x = 5,963,935,159.29/87,587.04
  6. Step 6: Final answer
    x = 68,091.53

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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.