Home / 126,105.13-189,110.52-41,849.58

Finding the Fourth Proportional to 126,105.13, 189,110.52 and 41,849.58

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Solution

The fourth proportional to 126,105.13, 189,110.52 and 41,849.58 is: 62,758.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,105.13 : 189,110.52 = 41,849.58 : x
  2. Step 2: Convert to fraction form
    126,105.13/189,110.52 = 41,849.58/x
  3. Step 3: Cross multiply
    126,105.13x = 189,110.52 × 41,849.58
  4. Step 4: Simplify right side
    126,105.13x = 7,914,195,835.58
  5. Step 5: Solve for x
    x = 7,914,195,835.58/126,105.13
  6. Step 6: Final answer
    x = 62,758.72

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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.