Home / 56,294.44-77,687.46-31,144.36

Finding the Fourth Proportional to 56,294.44, 77,687.46 and 31,144.36

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Solution

The fourth proportional to 56,294.44, 77,687.46 and 31,144.36 is: 42,979.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,294.44 : 77,687.46 = 31,144.36 : x
  2. Step 2: Convert to fraction form
    56,294.44/77,687.46 = 31,144.36/x
  3. Step 3: Cross multiply
    56,294.44x = 77,687.46 × 31,144.36
  4. Step 4: Simplify right side
    56,294.44x = 2,419,526,221.73
  5. Step 5: Solve for x
    x = 2,419,526,221.73/56,294.44
  6. Step 6: Final answer
    x = 42,979.84

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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.