Home / 54,144.64-74,694.72-31,772.80

Finding the Fourth Proportional to 54,144.64, 74,694.72 and 31,772.80

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Solution

The fourth proportional to 54,144.64, 74,694.72 and 31,772.80 is: 43,831.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,144.64 : 74,694.72 = 31,772.80 : x
  2. Step 2: Convert to fraction form
    54,144.64/74,694.72 = 31,772.80/x
  3. Step 3: Cross multiply
    54,144.64x = 74,694.72 × 31,772.80
  4. Step 4: Simplify right side
    54,144.64x = 2,373,260,399.62
  5. Step 5: Solve for x
    x = 2,373,260,399.62/54,144.64
  6. Step 6: Final answer
    x = 43,831.86

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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.