Home / 106,427.38-146,876.34-58,680.58

Finding the Fourth Proportional to 106,427.38, 146,876.34 and 58,680.58

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Solution

The fourth proportional to 106,427.38, 146,876.34 and 58,680.58 is: 80,982.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,427.38 : 146,876.34 = 58,680.58 : x
  2. Step 2: Convert to fraction form
    106,427.38/146,876.34 = 58,680.58/x
  3. Step 3: Cross multiply
    106,427.38x = 146,876.34 × 58,680.58
  4. Step 4: Simplify right side
    106,427.38x = 8,618,788,819.48
  5. Step 5: Solve for x
    x = 8,618,788,819.48/106,427.38
  6. Step 6: Final answer
    x = 80,982.81

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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.