Home / 79,789.15-110,107.71-43,982.49

Finding the Fourth Proportional to 79,789.15, 110,107.71 and 43,982.49

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Solution

The fourth proportional to 79,789.15, 110,107.71 and 43,982.49 is: 60,695.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,789.15 : 110,107.71 = 43,982.49 : x
  2. Step 2: Convert to fraction form
    79,789.15/110,107.71 = 43,982.49/x
  3. Step 3: Cross multiply
    79,789.15x = 110,107.71 × 43,982.49
  4. Step 4: Simplify right side
    79,789.15x = 4,842,811,140.53
  5. Step 5: Solve for x
    x = 4,842,811,140.53/79,789.15
  6. Step 6: Final answer
    x = 60,695.11

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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.