Home / 87,112.62-120,208.14-48,866.85

Finding the Fourth Proportional to 87,112.62, 120,208.14 and 48,866.85

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Solution

The fourth proportional to 87,112.62, 120,208.14 and 48,866.85 is: 67,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,112.62 : 120,208.14 = 48,866.85 : x
  2. Step 2: Convert to fraction form
    87,112.62/120,208.14 = 48,866.85/x
  3. Step 3: Cross multiply
    87,112.62x = 120,208.14 × 48,866.85
  4. Step 4: Simplify right side
    87,112.62x = 5,874,193,146.16
  5. Step 5: Solve for x
    x = 5,874,193,146.16/87,112.62
  6. Step 6: Final answer
    x = 67,432.17

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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.