Home / 107,974.60-161,961.90-34,102.60

Finding the Fourth Proportional to 107,974.60, 161,961.90 and 34,102.60

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Solution

The fourth proportional to 107,974.60, 161,961.90 and 34,102.60 is: 51,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,974.60 : 161,961.90 = 34,102.60 : x
  2. Step 2: Convert to fraction form
    107,974.60/161,961.90 = 34,102.60/x
  3. Step 3: Cross multiply
    107,974.60x = 161,961.90 × 34,102.60
  4. Step 4: Simplify right side
    107,974.60x = 5,523,321,890.94
  5. Step 5: Solve for x
    x = 5,523,321,890.94/107,974.60
  6. Step 6: Final answer
    x = 51,153.90

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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.