Home / 67,729.38-101,538.65-25,585.55

Finding the Fourth Proportional to 67,729.38, 101,538.65 and 25,585.55

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Solution

The fourth proportional to 67,729.38, 101,538.65 and 25,585.55 is: 38,357.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,729.38 : 101,538.65 = 25,585.55 : x
  2. Step 2: Convert to fraction form
    67,729.38/101,538.65 = 25,585.55/x
  3. Step 3: Cross multiply
    67,729.38x = 101,538.65 × 25,585.55
  4. Step 4: Simplify right side
    67,729.38x = 2,597,921,821.99
  5. Step 5: Solve for x
    x = 2,597,921,821.99/67,729.38
  6. Step 6: Final answer
    x = 38,357.39

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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.