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Finding the Fourth Proportional to 57,789.44, 79,696.05 and 44,361.26

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Solution

The fourth proportional to 57,789.44, 79,696.05 and 44,361.26 is: 61,177.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,789.44 : 79,696.05 = 44,361.26 : x
  2. Step 2: Convert to fraction form
    57,789.44/79,696.05 = 44,361.26/x
  3. Step 3: Cross multiply
    57,789.44x = 79,696.05 × 44,361.26
  4. Step 4: Simplify right side
    57,789.44x = 3,535,416,796.54
  5. Step 5: Solve for x
    x = 3,535,416,796.54/57,789.44
  6. Step 6: Final answer
    x = 61,177.56

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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.