Home / 54,781.87-82,171.77-17,344.19

Finding the Fourth Proportional to 54,781.87, 82,171.77 and 17,344.19

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Solution

The fourth proportional to 54,781.87, 82,171.77 and 17,344.19 is: 26,015.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,781.87 : 82,171.77 = 17,344.19 : x
  2. Step 2: Convert to fraction form
    54,781.87/82,171.77 = 17,344.19/x
  3. Step 3: Cross multiply
    54,781.87x = 82,171.77 × 17,344.19
  4. Step 4: Simplify right side
    54,781.87x = 1,425,202,629.45
  5. Step 5: Solve for x
    x = 1,425,202,629.45/54,781.87
  6. Step 6: Final answer
    x = 26,015.96

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1.5x scale

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.