Home / 89,191.62-123,083.01-48,905.73

Finding the Fourth Proportional to 89,191.62, 123,083.01 and 48,905.73

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Solution

The fourth proportional to 89,191.62, 123,083.01 and 48,905.73 is: 67,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,191.62 : 123,083.01 = 48,905.73 : x
  2. Step 2: Convert to fraction form
    89,191.62/123,083.01 = 48,905.73/x
  3. Step 3: Cross multiply
    89,191.62x = 123,083.01 × 48,905.73
  4. Step 4: Simplify right side
    89,191.62x = 6,019,464,454.65
  5. Step 5: Solve for x
    x = 6,019,464,454.65/89,191.62
  6. Step 6: Final answer
    x = 67,489.13

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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.