Home / 112,103.01-168,125.79-33,198.78

Finding the Fourth Proportional to 112,103.01, 168,125.79 and 33,198.78

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Solution

The fourth proportional to 112,103.01, 168,125.79 and 33,198.78 is: 49,789.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,103.01 : 168,125.79 = 33,198.78 : x
  2. Step 2: Convert to fraction form
    112,103.01/168,125.79 = 33,198.78/x
  3. Step 3: Cross multiply
    112,103.01x = 168,125.79 × 33,198.78
  4. Step 4: Simplify right side
    112,103.01x = 5,581,571,114.54
  5. Step 5: Solve for x
    x = 5,581,571,114.54/112,103.01
  6. Step 6: Final answer
    x = 49,789.66

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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.