Home / 113,789.75-170,706.64-43,663.61

Finding the Fourth Proportional to 113,789.75, 170,706.64 and 43,663.61

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Solution

The fourth proportional to 113,789.75, 170,706.64 and 43,663.61 is: 65,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,789.75 : 170,706.64 = 43,663.61 : x
  2. Step 2: Convert to fraction form
    113,789.75/170,706.64 = 43,663.61/x
  3. Step 3: Cross multiply
    113,789.75x = 170,706.64 × 43,663.61
  4. Step 4: Simplify right side
    113,789.75x = 7,453,667,190.68
  5. Step 5: Solve for x
    x = 7,453,667,190.68/113,789.75
  6. Step 6: Final answer
    x = 65,503.86

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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.