Home / 51,190.12-76,796.12-17,911.27

Finding the Fourth Proportional to 51,190.12, 76,796.12 and 17,911.27

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Solution

The fourth proportional to 51,190.12, 76,796.12 and 17,911.27 is: 26,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,190.12 : 76,796.12 = 17,911.27 : x
  2. Step 2: Convert to fraction form
    51,190.12/76,796.12 = 17,911.27/x
  3. Step 3: Cross multiply
    51,190.12x = 76,796.12 × 17,911.27
  4. Step 4: Simplify right side
    51,190.12x = 1,375,515,758.73
  5. Step 5: Solve for x
    x = 1,375,515,758.73/51,190.12
  6. Step 6: Final answer
    x = 26,870.73

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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.