Home / 54,180.26-74,772.06-30,308.54

Finding the Fourth Proportional to 54,180.26, 74,772.06 and 30,308.54

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Solution

The fourth proportional to 54,180.26, 74,772.06 and 30,308.54 is: 41,827.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,180.26 : 74,772.06 = 30,308.54 : x
  2. Step 2: Convert to fraction form
    54,180.26/74,772.06 = 30,308.54/x
  3. Step 3: Cross multiply
    54,180.26x = 74,772.06 × 30,308.54
  4. Step 4: Simplify right side
    54,180.26x = 2,266,231,971.39
  5. Step 5: Solve for x
    x = 2,266,231,971.39/54,180.26
  6. Step 6: Final answer
    x = 41,827.63

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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.