Home / 54,113.58-81,163.20-16,674.90

Finding the Fourth Proportional to 54,113.58, 81,163.20 and 16,674.90

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Solution

The fourth proportional to 54,113.58, 81,163.20 and 16,674.90 is: 25,010.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,113.58 : 81,163.20 = 16,674.90 : x
  2. Step 2: Convert to fraction form
    54,113.58/81,163.20 = 16,674.90/x
  3. Step 3: Cross multiply
    54,113.58x = 81,163.20 × 16,674.90
  4. Step 4: Simplify right side
    54,113.58x = 1,353,388,243.68
  5. Step 5: Solve for x
    x = 1,353,388,243.68/54,113.58
  6. Step 6: Final answer
    x = 25,010.14

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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.