Home / 57,376.96-79,177.61-31,883.20

Finding the Fourth Proportional to 57,376.96, 79,177.61 and 31,883.20

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Solution

The fourth proportional to 57,376.96, 79,177.61 and 31,883.20 is: 43,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,376.96 : 79,177.61 = 31,883.20 : x
  2. Step 2: Convert to fraction form
    57,376.96/79,177.61 = 31,883.20/x
  3. Step 3: Cross multiply
    57,376.96x = 79,177.61 × 31,883.20
  4. Step 4: Simplify right side
    57,376.96x = 2,524,435,456.92
  5. Step 5: Solve for x
    x = 2,524,435,456.92/57,376.96
  6. Step 6: Final answer
    x = 43,997.37

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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.