Home / 54,177.80-81,246.49-18,629.06

Finding the Fourth Proportional to 54,177.80, 81,246.49 and 18,629.06

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Solution

The fourth proportional to 54,177.80, 81,246.49 and 18,629.06 is: 27,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,177.80 : 81,246.49 = 18,629.06 : x
  2. Step 2: Convert to fraction form
    54,177.80/81,246.49 = 18,629.06/x
  3. Step 3: Cross multiply
    54,177.80x = 81,246.49 × 18,629.06
  4. Step 4: Simplify right side
    54,177.80x = 1,513,545,737.00
  5. Step 5: Solve for x
    x = 1,513,545,737.00/54,177.80
  6. Step 6: Final answer
    x = 27,936.64

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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.