Home / 54,288.29-81,460.20-25,857.44

Finding the Fourth Proportional to 54,288.29, 81,460.20 and 25,857.44

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Solution

The fourth proportional to 54,288.29, 81,460.20 and 25,857.44 is: 38,799.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,288.29 : 81,460.20 = 25,857.44 : x
  2. Step 2: Convert to fraction form
    54,288.29/81,460.20 = 25,857.44/x
  3. Step 3: Cross multiply
    54,288.29x = 81,460.20 × 25,857.44
  4. Step 4: Simplify right side
    54,288.29x = 2,106,352,229.03
  5. Step 5: Solve for x
    x = 2,106,352,229.03/54,288.29
  6. Step 6: Final answer
    x = 38,799.38

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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.