Home / 54,515.25-81,772.88-14,534.37

Finding the Fourth Proportional to 54,515.25, 81,772.88 and 14,534.37

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Solution

The fourth proportional to 54,515.25, 81,772.88 and 14,534.37 is: 21,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,515.25 : 81,772.88 = 14,534.37 : x
  2. Step 2: Convert to fraction form
    54,515.25/81,772.88 = 14,534.37/x
  3. Step 3: Cross multiply
    54,515.25x = 81,772.88 × 14,534.37
  4. Step 4: Simplify right side
    54,515.25x = 1,188,517,221.21
  5. Step 5: Solve for x
    x = 1,188,517,221.21/54,515.25
  6. Step 6: Final answer
    x = 21,801.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.