Home / 67,043.56-100,565.26-17,123.70

Finding the Fourth Proportional to 67,043.56, 100,565.26 and 17,123.70

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Solution

The fourth proportional to 67,043.56, 100,565.26 and 17,123.70 is: 25,685.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,043.56 : 100,565.26 = 17,123.70 : x
  2. Step 2: Convert to fraction form
    67,043.56/100,565.26 = 17,123.70/x
  3. Step 3: Cross multiply
    67,043.56x = 100,565.26 × 17,123.70
  4. Step 4: Simplify right side
    67,043.56x = 1,722,049,342.66
  5. Step 5: Solve for x
    x = 1,722,049,342.66/67,043.56
  6. Step 6: Final answer
    x = 25,685.53

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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.