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Finding the Fourth Proportional to 57,055.56, 85,512.06 and 27,465.48

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Solution

The fourth proportional to 57,055.56, 85,512.06 and 27,465.48 is: 41,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,055.56 : 85,512.06 = 27,465.48 : x
  2. Step 2: Convert to fraction form
    57,055.56/85,512.06 = 27,465.48/x
  3. Step 3: Cross multiply
    57,055.56x = 85,512.06 × 27,465.48
  4. Step 4: Simplify right side
    57,055.56x = 2,348,629,773.69
  5. Step 5: Solve for x
    x = 2,348,629,773.69/57,055.56
  6. Step 6: Final answer
    x = 41,163.91

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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.