Home / 57,910.44-86,778.18-43,049.64

Finding the Fourth Proportional to 57,910.44, 86,778.18 and 43,049.64

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Solution

The fourth proportional to 57,910.44, 86,778.18 and 43,049.64 is: 64,509.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,910.44 : 86,778.18 = 43,049.64 : x
  2. Step 2: Convert to fraction form
    57,910.44/86,778.18 = 43,049.64/x
  3. Step 3: Cross multiply
    57,910.44x = 86,778.18 × 43,049.64
  4. Step 4: Simplify right side
    57,910.44x = 3,735,769,408.86
  5. Step 5: Solve for x
    x = 3,735,769,408.86/57,910.44
  6. Step 6: Final answer
    x = 64,509.43

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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.