Home / 54,216.92-81,317-14,777.22

Finding the Fourth Proportional to 54,216.92, 81,317 and 14,777.22

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Solution

The fourth proportional to 54,216.92, 81,317 and 14,777.22 is: 22,163.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,216.92 : 81,317 = 14,777.22 : x
  2. Step 2: Convert to fraction form
    54,216.92/81,317 = 14,777.22/x
  3. Step 3: Cross multiply
    54,216.92x = 81,317 × 14,777.22
  4. Step 4: Simplify right side
    54,216.92x = 1,201,639,198.74
  5. Step 5: Solve for x
    x = 1,201,639,198.74/54,216.92
  6. Step 6: Final answer
    x = 22,163.55

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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.