Home / 75,982.86-113,964.57-29,249.10

Finding the Fourth Proportional to 75,982.86, 113,964.57 and 29,249.10

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Solution

The fourth proportional to 75,982.86, 113,964.57 and 29,249.10 is: 43,869.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,982.86 : 113,964.57 = 29,249.10 : x
  2. Step 2: Convert to fraction form
    75,982.86/113,964.57 = 29,249.10/x
  3. Step 3: Cross multiply
    75,982.86x = 113,964.57 × 29,249.10
  4. Step 4: Simplify right side
    75,982.86x = 3,333,361,104.39
  5. Step 5: Solve for x
    x = 3,333,361,104.39/75,982.86
  6. Step 6: Final answer
    x = 43,869.91

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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.