Home / 75,633.89-113,297.94-38,141.82

Finding the Fourth Proportional to 75,633.89, 113,297.94 and 38,141.82

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Solution

The fourth proportional to 75,633.89, 113,297.94 and 38,141.82 is: 57,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,633.89 : 113,297.94 = 38,141.82 : x
  2. Step 2: Convert to fraction form
    75,633.89/113,297.94 = 38,141.82/x
  3. Step 3: Cross multiply
    75,633.89x = 113,297.94 × 38,141.82
  4. Step 4: Simplify right side
    75,633.89x = 4,321,389,633.85
  5. Step 5: Solve for x
    x = 4,321,389,633.85/75,633.89
  6. Step 6: Final answer
    x = 57,135.63

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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.