Home / 75,936.78-113,847.36-45,944.73

Finding the Fourth Proportional to 75,936.78, 113,847.36 and 45,944.73

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Solution

The fourth proportional to 75,936.78, 113,847.36 and 45,944.73 is: 68,882.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,936.78 : 113,847.36 = 45,944.73 : x
  2. Step 2: Convert to fraction form
    75,936.78/113,847.36 = 45,944.73/x
  3. Step 3: Cross multiply
    75,936.78x = 113,847.36 × 45,944.73
  4. Step 4: Simplify right side
    75,936.78x = 5,230,686,216.41
  5. Step 5: Solve for x
    x = 5,230,686,216.41/75,936.78
  6. Step 6: Final answer
    x = 68,882.12

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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.