Home / 67,853.12-101,789.92-23,490.88

Finding the Fourth Proportional to 67,853.12, 101,789.92 and 23,490.88

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Solution

The fourth proportional to 67,853.12, 101,789.92 and 23,490.88 is: 35,239.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,853.12 : 101,789.92 = 23,490.88 : x
  2. Step 2: Convert to fraction form
    67,853.12/101,789.92 = 23,490.88/x
  3. Step 3: Cross multiply
    67,853.12x = 101,789.92 × 23,490.88
  4. Step 4: Simplify right side
    67,853.12x = 2,391,134,795.93
  5. Step 5: Solve for x
    x = 2,391,134,795.93/67,853.12
  6. Step 6: Final answer
    x = 35,239.87

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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.