Home / 73,139.88-109,620.05-41,576.38

Finding the Fourth Proportional to 73,139.88, 109,620.05 and 41,576.38

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Solution

The fourth proportional to 73,139.88, 109,620.05 and 41,576.38 is: 62,313.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,139.88 : 109,620.05 = 41,576.38 : x
  2. Step 2: Convert to fraction form
    73,139.88/109,620.05 = 41,576.38/x
  3. Step 3: Cross multiply
    73,139.88x = 109,620.05 × 41,576.38
  4. Step 4: Simplify right side
    73,139.88x = 4,557,604,854.42
  5. Step 5: Solve for x
    x = 4,557,604,854.42/73,139.88
  6. Step 6: Final answer
    x = 62,313.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.