Home / 89,754.20-123,860.18-49,468.04

Finding the Fourth Proportional to 89,754.20, 123,860.18 and 49,468.04

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Solution

The fourth proportional to 89,754.20, 123,860.18 and 49,468.04 is: 68,265.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,754.20 : 123,860.18 = 49,468.04 : x
  2. Step 2: Convert to fraction form
    89,754.20/123,860.18 = 49,468.04/x
  3. Step 3: Cross multiply
    89,754.20x = 123,860.18 × 49,468.04
  4. Step 4: Simplify right side
    89,754.20x = 6,127,120,338.65
  5. Step 5: Solve for x
    x = 6,127,120,338.65/89,754.20
  6. Step 6: Final answer
    x = 68,265.56

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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.