Home / 49,452.25-74,187.68-19,872.43

Finding the Fourth Proportional to 49,452.25, 74,187.68 and 19,872.43

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Solution

The fourth proportional to 49,452.25, 74,187.68 and 19,872.43 is: 29,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,452.25 : 74,187.68 = 19,872.43 : x
  2. Step 2: Convert to fraction form
    49,452.25/74,187.68 = 19,872.43/x
  3. Step 3: Cross multiply
    49,452.25x = 74,187.68 × 19,872.43
  4. Step 4: Simplify right side
    49,452.25x = 1,474,289,378.30
  5. Step 5: Solve for x
    x = 1,474,289,378.30/49,452.25
  6. Step 6: Final answer
    x = 29,812.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.