Home / 67,080.22-100,617.33-19,693.42

Finding the Fourth Proportional to 67,080.22, 100,617.33 and 19,693.42

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Solution

The fourth proportional to 67,080.22, 100,617.33 and 19,693.42 is: 29,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,080.22 : 100,617.33 = 19,693.42 : x
  2. Step 2: Convert to fraction form
    67,080.22/100,617.33 = 19,693.42/x
  3. Step 3: Cross multiply
    67,080.22x = 100,617.33 × 19,693.42
  4. Step 4: Simplify right side
    67,080.22x = 1,981,499,338.97
  5. Step 5: Solve for x
    x = 1,981,499,338.97/67,080.22
  6. Step 6: Final answer
    x = 29,539.25

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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.