Home / 49,876.62-69,120.96-48,930.42

Finding the Fourth Proportional to 49,876.62, 69,120.96 and 48,930.42

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Solution

The fourth proportional to 49,876.62, 69,120.96 and 48,930.42 is: 67,809.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,876.62 : 69,120.96 = 48,930.42 : x
  2. Step 2: Convert to fraction form
    49,876.62/69,120.96 = 48,930.42/x
  3. Step 3: Cross multiply
    49,876.62x = 69,120.96 × 48,930.42
  4. Step 4: Simplify right side
    49,876.62x = 3,382,117,603.60
  5. Step 5: Solve for x
    x = 3,382,117,603.60/49,876.62
  6. Step 6: Final answer
    x = 67,809.68

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.