Home / 79,265.75-109,386.68-43,454.97

Finding the Fourth Proportional to 79,265.75, 109,386.68 and 43,454.97

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Solution

The fourth proportional to 79,265.75, 109,386.68 and 43,454.97 is: 59,967.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,265.75 : 109,386.68 = 43,454.97 : x
  2. Step 2: Convert to fraction form
    79,265.75/109,386.68 = 43,454.97/x
  3. Step 3: Cross multiply
    79,265.75x = 109,386.68 × 43,454.97
  4. Step 4: Simplify right side
    79,265.75x = 4,753,394,680.52
  5. Step 5: Solve for x
    x = 4,753,394,680.52/79,265.75
  6. Step 6: Final answer
    x = 59,967.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.