Home / 45,286.43-67,867.88-17,191.44

Finding the Fourth Proportional to 45,286.43, 67,867.88 and 17,191.44

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Solution

The fourth proportional to 45,286.43, 67,867.88 and 17,191.44 is: 25,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,286.43 : 67,867.88 = 17,191.44 : x
  2. Step 2: Convert to fraction form
    45,286.43/67,867.88 = 17,191.44/x
  3. Step 3: Cross multiply
    45,286.43x = 67,867.88 × 17,191.44
  4. Step 4: Simplify right side
    45,286.43x = 1,166,746,500.99
  5. Step 5: Solve for x
    x = 1,166,746,500.99/45,286.43
  6. Step 6: Final answer
    x = 25,763.71

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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.