Home / 89,452.31-123,445.46-49,169.80

Finding the Fourth Proportional to 89,452.31, 123,445.46 and 49,169.80

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Solution

The fourth proportional to 89,452.31, 123,445.46 and 49,169.80 is: 67,855.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,452.31 : 123,445.46 = 49,169.80 : x
  2. Step 2: Convert to fraction form
    89,452.31/123,445.46 = 49,169.80/x
  3. Step 3: Cross multiply
    89,452.31x = 123,445.46 × 49,169.80
  4. Step 4: Simplify right side
    89,452.31x = 6,069,787,716.03
  5. Step 5: Solve for x
    x = 6,069,787,716.03/89,452.31
  6. Step 6: Final answer
    x = 67,855.01

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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.