Home / 52,198.70-78,297.83-18,910.96

Finding the Fourth Proportional to 52,198.70, 78,297.83 and 18,910.96

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Solution

The fourth proportional to 52,198.70, 78,297.83 and 18,910.96 is: 28,366.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,198.70 : 78,297.83 = 18,910.96 : x
  2. Step 2: Convert to fraction form
    52,198.70/78,297.83 = 18,910.96/x
  3. Step 3: Cross multiply
    52,198.70x = 78,297.83 × 18,910.96
  4. Step 4: Simplify right side
    52,198.70x = 1,480,687,131.22
  5. Step 5: Solve for x
    x = 1,480,687,131.22/52,198.70
  6. Step 6: Final answer
    x = 28,366.36

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1.5x scale

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.