Home / 67,089.21-100,632.79-17,168.88

Finding the Fourth Proportional to 67,089.21, 100,632.79 and 17,168.88

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Solution

The fourth proportional to 67,089.21, 100,632.79 and 17,168.88 is: 25,753.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,089.21 : 100,632.79 = 17,168.88 : x
  2. Step 2: Convert to fraction form
    67,089.21/100,632.79 = 17,168.88/x
  3. Step 3: Cross multiply
    67,089.21x = 100,632.79 × 17,168.88
  4. Step 4: Simplify right side
    67,089.21x = 1,727,752,209.73
  5. Step 5: Solve for x
    x = 1,727,752,209.73/67,089.21
  6. Step 6: Final answer
    x = 25,753.06

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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.