Home / 89,239.54-123,149.42-50,998.65

Finding the Fourth Proportional to 89,239.54, 123,149.42 and 50,998.65

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Solution

The fourth proportional to 89,239.54, 123,149.42 and 50,998.65 is: 70,377.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,239.54 : 123,149.42 = 50,998.65 : x
  2. Step 2: Convert to fraction form
    89,239.54/123,149.42 = 50,998.65/x
  3. Step 3: Cross multiply
    89,239.54x = 123,149.42 × 50,998.65
  4. Step 4: Simplify right side
    89,239.54x = 6,280,454,168.28
  5. Step 5: Solve for x
    x = 6,280,454,168.28/89,239.54
  6. Step 6: Final answer
    x = 70,377.48

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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.