Home / 43,107.27-64,635.12-16,781.19

Finding the Fourth Proportional to 43,107.27, 64,635.12 and 16,781.19

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Solution

The fourth proportional to 43,107.27, 64,635.12 and 16,781.19 is: 25,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,107.27 : 64,635.12 = 16,781.19 : x
  2. Step 2: Convert to fraction form
    43,107.27/64,635.12 = 16,781.19/x
  3. Step 3: Cross multiply
    43,107.27x = 64,635.12 × 16,781.19
  4. Step 4: Simplify right side
    43,107.27x = 1,084,654,229.39
  5. Step 5: Solve for x
    x = 1,084,654,229.39/43,107.27
  6. Step 6: Final answer
    x = 25,161.75

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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.