Home / 79,576.38-109,815.96-43,277.82

Finding the Fourth Proportional to 79,576.38, 109,815.96 and 43,277.82

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Solution

The fourth proportional to 79,576.38, 109,815.96 and 43,277.82 is: 59,723.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,576.38 : 109,815.96 = 43,277.82 : x
  2. Step 2: Convert to fraction form
    79,576.38/109,815.96 = 43,277.82/x
  3. Step 3: Cross multiply
    79,576.38x = 109,815.96 × 43,277.82
  4. Step 4: Simplify right side
    79,576.38x = 4,752,595,350.01
  5. Step 5: Solve for x
    x = 4,752,595,350.01/79,576.38
  6. Step 6: Final answer
    x = 59,723.69

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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.