Home / 48,687.39-73,025.42-13,629.78

Finding the Fourth Proportional to 48,687.39, 73,025.42 and 13,629.78

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Solution

The fourth proportional to 48,687.39, 73,025.42 and 13,629.78 is: 20,443.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,687.39 : 73,025.42 = 13,629.78 : x
  2. Step 2: Convert to fraction form
    48,687.39/73,025.42 = 13,629.78/x
  3. Step 3: Cross multiply
    48,687.39x = 73,025.42 × 13,629.78
  4. Step 4: Simplify right side
    48,687.39x = 995,320,340.86
  5. Step 5: Solve for x
    x = 995,320,340.86/48,687.39
  6. Step 6: Final answer
    x = 20,443.08

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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.