Home / 54,544.39-81,824.78-17,107.81

Finding the Fourth Proportional to 54,544.39, 81,824.78 and 17,107.81

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Solution

The fourth proportional to 54,544.39, 81,824.78 and 17,107.81 is: 25,664.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,544.39 : 81,824.78 = 17,107.81 : x
  2. Step 2: Convert to fraction form
    54,544.39/81,824.78 = 17,107.81/x
  3. Step 3: Cross multiply
    54,544.39x = 81,824.78 × 17,107.81
  4. Step 4: Simplify right side
    54,544.39x = 1,399,842,627.74
  5. Step 5: Solve for x
    x = 1,399,842,627.74/54,544.39
  6. Step 6: Final answer
    x = 25,664.28

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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.