Home / 54,119.53-81,179.45-16,678.39

Finding the Fourth Proportional to 54,119.53, 81,179.45 and 16,678.39

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Solution

The fourth proportional to 54,119.53, 81,179.45 and 16,678.39 is: 25,017.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,119.53 : 81,179.45 = 16,678.39 : x
  2. Step 2: Convert to fraction form
    54,119.53/81,179.45 = 16,678.39/x
  3. Step 3: Cross multiply
    54,119.53x = 81,179.45 × 16,678.39
  4. Step 4: Simplify right side
    54,119.53x = 1,353,942,527.09
  5. Step 5: Solve for x
    x = 1,353,942,527.09/54,119.53
  6. Step 6: Final answer
    x = 25,017.63

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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.