Home / 48,759.11-73,141.19-15,481.78

Finding the Fourth Proportional to 48,759.11, 73,141.19 and 15,481.78

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Solution

The fourth proportional to 48,759.11, 73,141.19 and 15,481.78 is: 23,223.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,759.11 : 73,141.19 = 15,481.78 : x
  2. Step 2: Convert to fraction form
    48,759.11/73,141.19 = 15,481.78/x
  3. Step 3: Cross multiply
    48,759.11x = 73,141.19 × 15,481.78
  4. Step 4: Simplify right side
    48,759.11x = 1,132,355,668.37
  5. Step 5: Solve for x
    x = 1,132,355,668.37/48,759.11
  6. Step 6: Final answer
    x = 23,223.47

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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.