Home / 57,149.15-78,858.36-32,951.03

Finding the Fourth Proportional to 57,149.15, 78,858.36 and 32,951.03

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Solution

The fourth proportional to 57,149.15, 78,858.36 and 32,951.03 is: 45,468.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,149.15 : 78,858.36 = 32,951.03 : x
  2. Step 2: Convert to fraction form
    57,149.15/78,858.36 = 32,951.03/x
  3. Step 3: Cross multiply
    57,149.15x = 78,858.36 × 32,951.03
  4. Step 4: Simplify right side
    57,149.15x = 2,598,463,791.82
  5. Step 5: Solve for x
    x = 2,598,463,791.82/57,149.15
  6. Step 6: Final answer
    x = 45,468.11

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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.