Home / 75,212.73-112,836.57-21,905.97

Finding the Fourth Proportional to 75,212.73, 112,836.57 and 21,905.97

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Solution

The fourth proportional to 75,212.73, 112,836.57 and 21,905.97 is: 32,864.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,212.73 : 112,836.57 = 21,905.97 : x
  2. Step 2: Convert to fraction form
    75,212.73/112,836.57 = 21,905.97/x
  3. Step 3: Cross multiply
    75,212.73x = 112,836.57 × 21,905.97
  4. Step 4: Simplify right side
    75,212.73x = 2,471,794,517.32
  5. Step 5: Solve for x
    x = 2,471,794,517.32/75,212.73
  6. Step 6: Final answer
    x = 32,864.04

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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.