Home / 73,135.17-100,872.54-50,481.09

Finding the Fourth Proportional to 73,135.17, 100,872.54 and 50,481.09

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Solution

The fourth proportional to 73,135.17, 100,872.54 and 50,481.09 is: 69,626.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,135.17 : 100,872.54 = 50,481.09 : x
  2. Step 2: Convert to fraction form
    73,135.17/100,872.54 = 50,481.09/x
  3. Step 3: Cross multiply
    73,135.17x = 100,872.54 × 50,481.09
  4. Step 4: Simplify right side
    73,135.17x = 5,092,155,770.27
  5. Step 5: Solve for x
    x = 5,092,155,770.27/73,135.17
  6. Step 6: Final answer
    x = 69,626.63

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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.