Home / 54,162.83-81,243.99-14,719.88

Finding the Fourth Proportional to 54,162.83, 81,243.99 and 14,719.88

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Solution

The fourth proportional to 54,162.83, 81,243.99 and 14,719.88 is: 22,079.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,162.83 : 81,243.99 = 14,719.88 : x
  2. Step 2: Convert to fraction form
    54,162.83/81,243.99 = 14,719.88/x
  3. Step 3: Cross multiply
    54,162.83x = 81,243.99 × 14,719.88
  4. Step 4: Simplify right side
    54,162.83x = 1,195,901,377.30
  5. Step 5: Solve for x
    x = 1,195,901,377.30/54,162.83
  6. Step 6: Final answer
    x = 22,079.75

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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.