Home / 52,198.43-78,297.33-18,910.72

Finding the Fourth Proportional to 52,198.43, 78,297.33 and 18,910.72

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Solution

The fourth proportional to 52,198.43, 78,297.33 and 18,910.72 is: 28,365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,198.43 : 78,297.33 = 18,910.72 : x
  2. Step 2: Convert to fraction form
    52,198.43/78,297.33 = 18,910.72/x
  3. Step 3: Cross multiply
    52,198.43x = 78,297.33 × 18,910.72
  4. Step 4: Simplify right side
    52,198.43x = 1,480,658,612.74
  5. Step 5: Solve for x
    x = 1,480,658,612.74/52,198.43
  6. Step 6: Final answer
    x = 28,365.96

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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.