Home / 54,079.37-81,121.94-16,665.14

Finding the Fourth Proportional to 54,079.37, 81,121.94 and 16,665.14

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Solution

The fourth proportional to 54,079.37, 81,121.94 and 16,665.14 is: 24,998.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,079.37 : 81,121.94 = 16,665.14 : x
  2. Step 2: Convert to fraction form
    54,079.37/81,121.94 = 16,665.14/x
  3. Step 3: Cross multiply
    54,079.37x = 81,121.94 × 16,665.14
  4. Step 4: Simplify right side
    54,079.37x = 1,351,907,998.24
  5. Step 5: Solve for x
    x = 1,351,907,998.24/54,079.37
  6. Step 6: Final answer
    x = 24,998.59

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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.