Home / 51,839.79-77,778.41-18,110.79

Finding the Fourth Proportional to 51,839.79, 77,778.41 and 18,110.79

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Solution

The fourth proportional to 51,839.79, 77,778.41 and 18,110.79 is: 27,172.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,839.79 : 77,778.41 = 18,110.79 : x
  2. Step 2: Convert to fraction form
    51,839.79/77,778.41 = 18,110.79/x
  3. Step 3: Cross multiply
    51,839.79x = 77,778.41 × 18,110.79
  4. Step 4: Simplify right side
    51,839.79x = 1,408,628,450.04
  5. Step 5: Solve for x
    x = 1,408,628,450.04/51,839.79
  6. Step 6: Final answer
    x = 27,172.73

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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.