Home / 67,422.47-101,107.40-25,279.58

Finding the Fourth Proportional to 67,422.47, 101,107.40 and 25,279.58

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Solution

The fourth proportional to 67,422.47, 101,107.40 and 25,279.58 is: 37,909.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,422.47 : 101,107.40 = 25,279.58 : x
  2. Step 2: Convert to fraction form
    67,422.47/101,107.40 = 25,279.58/x
  3. Step 3: Cross multiply
    67,422.47x = 101,107.40 × 25,279.58
  4. Step 4: Simplify right side
    67,422.47x = 2,555,951,974.96
  5. Step 5: Solve for x
    x = 2,555,951,974.96/67,422.47
  6. Step 6: Final answer
    x = 37,909.50

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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.