Home / 54,069.42-81,104.13-27,759.54

Finding the Fourth Proportional to 54,069.42, 81,104.13 and 27,759.54

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Solution

The fourth proportional to 54,069.42, 81,104.13 and 27,759.54 is: 41,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,069.42 : 81,104.13 = 27,759.54 : x
  2. Step 2: Convert to fraction form
    54,069.42/81,104.13 = 27,759.54/x
  3. Step 3: Cross multiply
    54,069.42x = 81,104.13 × 27,759.54
  4. Step 4: Simplify right side
    54,069.42x = 2,251,413,340.90
  5. Step 5: Solve for x
    x = 2,251,413,340.90/54,069.42
  6. Step 6: Final answer
    x = 41,639.31

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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.