Home / 84,819.38-127,241.88-27,874.34

Finding the Fourth Proportional to 84,819.38, 127,241.88 and 27,874.34

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Solution

The fourth proportional to 84,819.38, 127,241.88 and 27,874.34 is: 41,815.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,819.38 : 127,241.88 = 27,874.34 : x
  2. Step 2: Convert to fraction form
    84,819.38/127,241.88 = 27,874.34/x
  3. Step 3: Cross multiply
    84,819.38x = 127,241.88 × 27,874.34
  4. Step 4: Simplify right side
    84,819.38x = 3,546,783,477.91
  5. Step 5: Solve for x
    x = 3,546,783,477.91/84,819.38
  6. Step 6: Final answer
    x = 41,815.72

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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.