Home / 62,418.20-86,138.44-34,123.88

Finding the Fourth Proportional to 62,418.20, 86,138.44 and 34,123.88

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Solution

The fourth proportional to 62,418.20, 86,138.44 and 34,123.88 is: 47,091.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,418.20 : 86,138.44 = 34,123.88 : x
  2. Step 2: Convert to fraction form
    62,418.20/86,138.44 = 34,123.88/x
  3. Step 3: Cross multiply
    62,418.20x = 86,138.44 × 34,123.88
  4. Step 4: Simplify right side
    62,418.20x = 2,939,377,919.98
  5. Step 5: Solve for x
    x = 2,939,377,919.98/62,418.20
  6. Step 6: Final answer
    x = 47,091.68

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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.