Home / 54,091.69-81,145.20-16,654.88

Finding the Fourth Proportional to 54,091.69, 81,145.20 and 16,654.88

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Solution

The fourth proportional to 54,091.69, 81,145.20 and 16,654.88 is: 24,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,091.69 : 81,145.20 = 16,654.88 : x
  2. Step 2: Convert to fraction form
    54,091.69/81,145.20 = 16,654.88/x
  3. Step 3: Cross multiply
    54,091.69x = 81,145.20 × 16,654.88
  4. Step 4: Simplify right side
    54,091.69x = 1,351,463,568.58
  5. Step 5: Solve for x
    x = 1,351,463,568.58/54,091.69
  6. Step 6: Final answer
    x = 24,984.68

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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.