Home / 67,089.90-100,633.17-17,170.14

Finding the Fourth Proportional to 67,089.90, 100,633.17 and 17,170.14

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Solution

The fourth proportional to 67,089.90, 100,633.17 and 17,170.14 is: 25,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,089.90 : 100,633.17 = 17,170.14 : x
  2. Step 2: Convert to fraction form
    67,089.90/100,633.17 = 17,170.14/x
  3. Step 3: Cross multiply
    67,089.90x = 100,633.17 × 17,170.14
  4. Step 4: Simplify right side
    67,089.90x = 1,727,885,617.54
  5. Step 5: Solve for x
    x = 1,727,885,617.54/67,089.90
  6. Step 6: Final answer
    x = 25,754.78

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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.