Home / 67,118.22-100,681.02-17,198.73

Finding the Fourth Proportional to 67,118.22, 100,681.02 and 17,198.73

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Solution

The fourth proportional to 67,118.22, 100,681.02 and 17,198.73 is: 25,799.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,118.22 : 100,681.02 = 17,198.73 : x
  2. Step 2: Convert to fraction form
    67,118.22/100,681.02 = 17,198.73/x
  3. Step 3: Cross multiply
    67,118.22x = 100,681.02 × 17,198.73
  4. Step 4: Simplify right side
    67,118.22x = 1,731,585,679.10
  5. Step 5: Solve for x
    x = 1,731,585,679.10/67,118.22
  6. Step 6: Final answer
    x = 25,799.04

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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.