Home / 54,753.54-82,138.40-17,305.12

Finding the Fourth Proportional to 54,753.54, 82,138.40 and 17,305.12

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Solution

The fourth proportional to 54,753.54, 82,138.40 and 17,305.12 is: 25,960.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,753.54 : 82,138.40 = 17,305.12 : x
  2. Step 2: Convert to fraction form
    54,753.54/82,138.40 = 17,305.12/x
  3. Step 3: Cross multiply
    54,753.54x = 82,138.40 × 17,305.12
  4. Step 4: Simplify right side
    54,753.54x = 1,421,414,815.98
  5. Step 5: Solve for x
    x = 1,421,414,815.98/54,753.54
  6. Step 6: Final answer
    x = 25,960.23

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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.