Home / 54,629.90-81,949.27-15,187.02

Finding the Fourth Proportional to 54,629.90, 81,949.27 and 15,187.02

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Solution

The fourth proportional to 54,629.90, 81,949.27 and 15,187.02 is: 22,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,629.90 : 81,949.27 = 15,187.02 : x
  2. Step 2: Convert to fraction form
    54,629.90/81,949.27 = 15,187.02/x
  3. Step 3: Cross multiply
    54,629.90x = 81,949.27 × 15,187.02
  4. Step 4: Simplify right side
    54,629.90x = 1,244,565,202.48
  5. Step 5: Solve for x
    x = 1,244,565,202.48/54,629.90
  6. Step 6: Final answer
    x = 22,781.76

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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.