Home / 54,169.43-74,751.53-31,508.46

Finding the Fourth Proportional to 54,169.43, 74,751.53 and 31,508.46

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Solution

The fourth proportional to 54,169.43, 74,751.53 and 31,508.46 is: 43,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,169.43 : 74,751.53 = 31,508.46 : x
  2. Step 2: Convert to fraction form
    54,169.43/74,751.53 = 31,508.46/x
  3. Step 3: Cross multiply
    54,169.43x = 74,751.53 × 31,508.46
  4. Step 4: Simplify right side
    54,169.43x = 2,355,305,435.40
  5. Step 5: Solve for x
    x = 2,355,305,435.40/54,169.43
  6. Step 6: Final answer
    x = 43,480.35

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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.