Home / 49,951.20-69,013.68-49,459.68

Finding the Fourth Proportional to 49,951.20, 69,013.68 and 49,459.68

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Solution

The fourth proportional to 49,951.20, 69,013.68 and 49,459.68 is: 68,334.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,951.20 : 69,013.68 = 49,459.68 : x
  2. Step 2: Convert to fraction form
    49,951.20/69,013.68 = 49,459.68/x
  3. Step 3: Cross multiply
    49,951.20x = 69,013.68 × 49,459.68
  4. Step 4: Simplify right side
    49,951.20x = 3,413,394,528.42
  5. Step 5: Solve for x
    x = 3,413,394,528.42/49,951.20
  6. Step 6: Final answer
    x = 68,334.59

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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.