Home / 57,076.44-78,768.30-32,881.02

Finding the Fourth Proportional to 57,076.44, 78,768.30 and 32,881.02

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Solution

The fourth proportional to 57,076.44, 78,768.30 and 32,881.02 is: 45,377.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,076.44 : 78,768.30 = 32,881.02 : x
  2. Step 2: Convert to fraction form
    57,076.44/78,768.30 = 32,881.02/x
  3. Step 3: Cross multiply
    57,076.44x = 78,768.30 × 32,881.02
  4. Step 4: Simplify right side
    57,076.44x = 2,589,982,047.67
  5. Step 5: Solve for x
    x = 2,589,982,047.67/57,076.44
  6. Step 6: Final answer
    x = 45,377.43

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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.