Home / 54,282.97-81,404.47-18,735.24

Finding the Fourth Proportional to 54,282.97, 81,404.47 and 18,735.24

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Solution

The fourth proportional to 54,282.97, 81,404.47 and 18,735.24 is: 28,095.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,282.97 : 81,404.47 = 18,735.24 : x
  2. Step 2: Convert to fraction form
    54,282.97/81,404.47 = 18,735.24/x
  3. Step 3: Cross multiply
    54,282.97x = 81,404.47 × 18,735.24
  4. Step 4: Simplify right side
    54,282.97x = 1,525,132,235.68
  5. Step 5: Solve for x
    x = 1,525,132,235.68/54,282.97
  6. Step 6: Final answer
    x = 28,095.96

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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.