Home / 75,844.89-113,791.67-36,404.78

Finding the Fourth Proportional to 75,844.89, 113,791.67 and 36,404.78

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Solution

The fourth proportional to 75,844.89, 113,791.67 and 36,404.78 is: 54,618.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,844.89 : 113,791.67 = 36,404.78 : x
  2. Step 2: Convert to fraction form
    75,844.89/113,791.67 = 36,404.78/x
  3. Step 3: Cross multiply
    75,844.89x = 113,791.67 × 36,404.78
  4. Step 4: Simplify right side
    75,844.89x = 4,142,559,961.20
  5. Step 5: Solve for x
    x = 4,142,559,961.20/75,844.89
  6. Step 6: Final answer
    x = 54,618.84

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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.