Home / 75,081.68-112,589.30-22,481.36

Finding the Fourth Proportional to 75,081.68, 112,589.30 and 22,481.36

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Solution

The fourth proportional to 75,081.68, 112,589.30 and 22,481.36 is: 33,712.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,081.68 : 112,589.30 = 22,481.36 : x
  2. Step 2: Convert to fraction form
    75,081.68/112,589.30 = 22,481.36/x
  3. Step 3: Cross multiply
    75,081.68x = 112,589.30 × 22,481.36
  4. Step 4: Simplify right side
    75,081.68x = 2,531,159,910.09
  5. Step 5: Solve for x
    x = 2,531,159,910.09/75,081.68
  6. Step 6: Final answer
    x = 33,712.09

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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.