Home / 67,027.17-100,540.70-17,107.28

Finding the Fourth Proportional to 67,027.17, 100,540.70 and 17,107.28

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Solution

The fourth proportional to 67,027.17, 100,540.70 and 17,107.28 is: 25,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,027.17 : 100,540.70 = 17,107.28 : x
  2. Step 2: Convert to fraction form
    67,027.17/100,540.70 = 17,107.28/x
  3. Step 3: Cross multiply
    67,027.17x = 100,540.70 × 17,107.28
  4. Step 4: Simplify right side
    67,027.17x = 1,719,977,318.06
  5. Step 5: Solve for x
    x = 1,719,977,318.06/67,027.17
  6. Step 6: Final answer
    x = 25,660.90

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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.