Home / 75,765.12-113,648.25-33,633.87

Finding the Fourth Proportional to 75,765.12, 113,648.25 and 33,633.87

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Solution

The fourth proportional to 75,765.12, 113,648.25 and 33,633.87 is: 50,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,765.12 : 113,648.25 = 33,633.87 : x
  2. Step 2: Convert to fraction form
    75,765.12/113,648.25 = 33,633.87/x
  3. Step 3: Cross multiply
    75,765.12x = 113,648.25 × 33,633.87
  4. Step 4: Simplify right side
    75,765.12x = 3,822,430,766.28
  5. Step 5: Solve for x
    x = 3,822,430,766.28/75,765.12
  6. Step 6: Final answer
    x = 50,451.06

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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.