Home / 54,169.49-74,751.61-31,508.52

Finding the Fourth Proportional to 54,169.49, 74,751.61 and 31,508.52

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Solution

The fourth proportional to 54,169.49, 74,751.61 and 31,508.52 is: 43,480.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,169.49 : 74,751.61 = 31,508.52 : x
  2. Step 2: Convert to fraction form
    54,169.49/74,751.61 = 31,508.52/x
  3. Step 3: Cross multiply
    54,169.49x = 74,751.61 × 31,508.52
  4. Step 4: Simplify right side
    54,169.49x = 2,355,312,824.98
  5. Step 5: Solve for x
    x = 2,355,312,824.98/54,169.49
  6. Step 6: Final answer
    x = 43,480.43

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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.