Home / 75,648.87-113,420.69-33,506.04

Finding the Fourth Proportional to 75,648.87, 113,420.69 and 33,506.04

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Solution

The fourth proportional to 75,648.87, 113,420.69 and 33,506.04 is: 50,235.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,648.87 : 113,420.69 = 33,506.04 : x
  2. Step 2: Convert to fraction form
    75,648.87/113,420.69 = 33,506.04/x
  3. Step 3: Cross multiply
    75,648.87x = 113,420.69 × 33,506.04
  4. Step 4: Simplify right side
    75,648.87x = 3,800,278,175.97
  5. Step 5: Solve for x
    x = 3,800,278,175.97/75,648.87
  6. Step 6: Final answer
    x = 50,235.76

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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.