Home / 50,198.90-75,297.92-12,759.08

Finding the Fourth Proportional to 50,198.90, 75,297.92 and 12,759.08

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Solution

The fourth proportional to 50,198.90, 75,297.92 and 12,759.08 is: 19,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,198.90 : 75,297.92 = 12,759.08 : x
  2. Step 2: Convert to fraction form
    50,198.90/75,297.92 = 12,759.08/x
  3. Step 3: Cross multiply
    50,198.90x = 75,297.92 × 12,759.08
  4. Step 4: Simplify right side
    50,198.90x = 960,732,185.11
  5. Step 5: Solve for x
    x = 960,732,185.11/50,198.90
  6. Step 6: Final answer
    x = 19,138.51

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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.