Home / 54,115.94-74,683.32-30,244.52

Finding the Fourth Proportional to 54,115.94, 74,683.32 and 30,244.52

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Solution

The fourth proportional to 54,115.94, 74,683.32 and 30,244.52 is: 41,739.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,115.94 : 74,683.32 = 30,244.52 : x
  2. Step 2: Convert to fraction form
    54,115.94/74,683.32 = 30,244.52/x
  3. Step 3: Cross multiply
    54,115.94x = 74,683.32 × 30,244.52
  4. Step 4: Simplify right side
    54,115.94x = 2,258,761,238.70
  5. Step 5: Solve for x
    x = 2,258,761,238.70/54,115.94
  6. Step 6: Final answer
    x = 41,739.29

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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.