Home / 54,198.76-74,788.05-31,231.93

Finding the Fourth Proportional to 54,198.76, 74,788.05 and 31,231.93

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Solution

The fourth proportional to 54,198.76, 74,788.05 and 31,231.93 is: 43,096.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,198.76 : 74,788.05 = 31,231.93 : x
  2. Step 2: Convert to fraction form
    54,198.76/74,788.05 = 31,231.93/x
  3. Step 3: Cross multiply
    54,198.76x = 74,788.05 × 31,231.93
  4. Step 4: Simplify right side
    54,198.76x = 2,335,775,142.44
  5. Step 5: Solve for x
    x = 2,335,775,142.44/54,198.76
  6. Step 6: Final answer
    x = 43,096.47

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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.