Home / 79,305.75-109,448.96-43,502.73

Finding the Fourth Proportional to 79,305.75, 109,448.96 and 43,502.73

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Solution

The fourth proportional to 79,305.75, 109,448.96 and 43,502.73 is: 60,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,305.75 : 109,448.96 = 43,502.73 : x
  2. Step 2: Convert to fraction form
    79,305.75/109,448.96 = 43,502.73/x
  3. Step 3: Cross multiply
    79,305.75x = 109,448.96 × 43,502.73
  4. Step 4: Simplify right side
    79,305.75x = 4,761,328,338.15
  5. Step 5: Solve for x
    x = 4,761,328,338.15/79,305.75
  6. Step 6: Final answer
    x = 60,037.62

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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.