Home / 79,660.29-109,930.44-43,849.38

Finding the Fourth Proportional to 79,660.29, 109,930.44 and 43,849.38

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Solution

The fourth proportional to 79,660.29, 109,930.44 and 43,849.38 is: 60,511.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,660.29 : 109,930.44 = 43,849.38 : x
  2. Step 2: Convert to fraction form
    79,660.29/109,930.44 = 43,849.38/x
  3. Step 3: Cross multiply
    79,660.29x = 109,930.44 × 43,849.38
  4. Step 4: Simplify right side
    79,660.29x = 4,820,381,637.13
  5. Step 5: Solve for x
    x = 4,820,381,637.13/79,660.29
  6. Step 6: Final answer
    x = 60,511.73

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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.