Home / 48,745.73-73,103.70-20,665.25

Finding the Fourth Proportional to 48,745.73, 73,103.70 and 20,665.25

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Solution

The fourth proportional to 48,745.73, 73,103.70 and 20,665.25 is: 30,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,745.73 : 73,103.70 = 20,665.25 : x
  2. Step 2: Convert to fraction form
    48,745.73/73,103.70 = 20,665.25/x
  3. Step 3: Cross multiply
    48,745.73x = 73,103.70 × 20,665.25
  4. Step 4: Simplify right side
    48,745.73x = 1,510,706,236.43
  5. Step 5: Solve for x
    x = 1,510,706,236.43/48,745.73
  6. Step 6: Final answer
    x = 30,991.56

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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.