Home / 54,163.47-81,244.97-14,720.47

Finding the Fourth Proportional to 54,163.47, 81,244.97 and 14,720.47

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Solution

The fourth proportional to 54,163.47, 81,244.97 and 14,720.47 is: 22,080.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,163.47 : 81,244.97 = 14,720.47 : x
  2. Step 2: Convert to fraction form
    54,163.47/81,244.97 = 14,720.47/x
  3. Step 3: Cross multiply
    54,163.47x = 81,244.97 × 14,720.47
  4. Step 4: Simplify right side
    54,163.47x = 1,195,964,143.54
  5. Step 5: Solve for x
    x = 1,195,964,143.54/54,163.47
  6. Step 6: Final answer
    x = 22,080.64

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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.