Home / 63,166.20-87,169.35-34,872.09

Finding the Fourth Proportional to 63,166.20, 87,169.35 and 34,872.09

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Solution

The fourth proportional to 63,166.20, 87,169.35 and 34,872.09 is: 48,123.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,166.20 : 87,169.35 = 34,872.09 : x
  2. Step 2: Convert to fraction form
    63,166.20/87,169.35 = 34,872.09/x
  3. Step 3: Cross multiply
    63,166.20x = 87,169.35 × 34,872.09
  4. Step 4: Simplify right side
    63,166.20x = 3,039,777,418.44
  5. Step 5: Solve for x
    x = 3,039,777,418.44/63,166.20
  6. Step 6: Final answer
    x = 48,123.48

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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.