Home / 57,060.96-78,744.24-31,910.88

Finding the Fourth Proportional to 57,060.96, 78,744.24 and 31,910.88

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Solution

The fourth proportional to 57,060.96, 78,744.24 and 31,910.88 is: 44,037.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,060.96 : 78,744.24 = 31,910.88 : x
  2. Step 2: Convert to fraction form
    57,060.96/78,744.24 = 31,910.88/x
  3. Step 3: Cross multiply
    57,060.96x = 78,744.24 × 31,910.88
  4. Step 4: Simplify right side
    57,060.96x = 2,512,797,993.33
  5. Step 5: Solve for x
    x = 2,512,797,993.33/57,060.96
  6. Step 6: Final answer
    x = 44,037.08

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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.