Home / 54,157.25-81,275.78-25,694.31

Finding the Fourth Proportional to 54,157.25, 81,275.78 and 25,694.31

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Solution

The fourth proportional to 54,157.25, 81,275.78 and 25,694.31 is: 38,560.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,157.25 : 81,275.78 = 25,694.31 : x
  2. Step 2: Convert to fraction form
    54,157.25/81,275.78 = 25,694.31/x
  3. Step 3: Cross multiply
    54,157.25x = 81,275.78 × 25,694.31
  4. Step 4: Simplify right side
    54,157.25x = 2,088,324,998.66
  5. Step 5: Solve for x
    x = 2,088,324,998.66/54,157.25
  6. Step 6: Final answer
    x = 38,560.39

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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.