Home / 75,395.88-113,093.82-61,180.38

Finding the Fourth Proportional to 75,395.88, 113,093.82 and 61,180.38

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Solution

The fourth proportional to 75,395.88, 113,093.82 and 61,180.38 is: 91,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,395.88 : 113,093.82 = 61,180.38 : x
  2. Step 2: Convert to fraction form
    75,395.88/113,093.82 = 61,180.38/x
  3. Step 3: Cross multiply
    75,395.88x = 113,093.82 × 61,180.38
  4. Step 4: Simplify right side
    75,395.88x = 6,919,122,883.25
  5. Step 5: Solve for x
    x = 6,919,122,883.25/75,395.88
  6. Step 6: Final answer
    x = 91,770.57

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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.