Home / 54,183.31-74,775.87-30,308.56

Finding the Fourth Proportional to 54,183.31, 74,775.87 and 30,308.56

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Solution

The fourth proportional to 54,183.31, 74,775.87 and 30,308.56 is: 41,827.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,183.31 : 74,775.87 = 30,308.56 : x
  2. Step 2: Convert to fraction form
    54,183.31/74,775.87 = 30,308.56/x
  3. Step 3: Cross multiply
    54,183.31x = 74,775.87 × 30,308.56
  4. Step 4: Simplify right side
    54,183.31x = 2,266,348,417.03
  5. Step 5: Solve for x
    x = 2,266,348,417.03/54,183.31
  6. Step 6: Final answer
    x = 41,827.43

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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.