Home / 89,799.20-123,923.39-49,512.24

Finding the Fourth Proportional to 89,799.20, 123,923.39 and 49,512.24

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Solution

The fourth proportional to 89,799.20, 123,923.39 and 49,512.24 is: 68,327.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,799.20 : 123,923.39 = 49,512.24 : x
  2. Step 2: Convert to fraction form
    89,799.20/123,923.39 = 49,512.24/x
  3. Step 3: Cross multiply
    89,799.20x = 123,923.39 × 49,512.24
  4. Step 4: Simplify right side
    89,799.20x = 6,135,724,379.73
  5. Step 5: Solve for x
    x = 6,135,724,379.73/89,799.20
  6. Step 6: Final answer
    x = 68,327.16

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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.