Home / 79,694.20-109,973.68-43,877.44

Finding the Fourth Proportional to 79,694.20, 109,973.68 and 43,877.44

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Solution

The fourth proportional to 79,694.20, 109,973.68 and 43,877.44 is: 60,548.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,694.20 : 109,973.68 = 43,877.44 : x
  2. Step 2: Convert to fraction form
    79,694.20/109,973.68 = 43,877.44/x
  3. Step 3: Cross multiply
    79,694.20x = 109,973.68 × 43,877.44
  4. Step 4: Simplify right side
    79,694.20x = 4,825,363,545.78
  5. Step 5: Solve for x
    x = 4,825,363,545.78/79,694.20
  6. Step 6: Final answer
    x = 60,548.49

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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.