Home / 95,954.36-132,299.34-78,899

Finding the Fourth Proportional to 95,954.36, 132,299.34 and 78,899

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Solution

The fourth proportional to 95,954.36, 132,299.34 and 78,899 is: 108,783.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,954.36 : 132,299.34 = 78,899 : x
  2. Step 2: Convert to fraction form
    95,954.36/132,299.34 = 78,899/x
  3. Step 3: Cross multiply
    95,954.36x = 132,299.34 × 78,899
  4. Step 4: Simplify right side
    95,954.36x = 10,438,285,626.66
  5. Step 5: Solve for x
    x = 10,438,285,626.66/95,954.36
  6. Step 6: Final answer
    x = 108,783.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.