Home / 87,017.92-120,084.80-49,292.16

Finding the Fourth Proportional to 87,017.92, 120,084.80 and 49,292.16

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Solution

The fourth proportional to 87,017.92, 120,084.80 and 49,292.16 is: 68,023.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,017.92 : 120,084.80 = 49,292.16 : x
  2. Step 2: Convert to fraction form
    87,017.92/120,084.80 = 49,292.16/x
  3. Step 3: Cross multiply
    87,017.92x = 120,084.80 × 49,292.16
  4. Step 4: Simplify right side
    87,017.92x = 5,919,239,175.17
  5. Step 5: Solve for x
    x = 5,919,239,175.17/87,017.92
  6. Step 6: Final answer
    x = 68,023.22

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1.5x scale

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.