Home / 54,071.41-81,082.39-16,618.43

Finding the Fourth Proportional to 54,071.41, 81,082.39 and 16,618.43

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Solution

The fourth proportional to 54,071.41, 81,082.39 and 16,618.43 is: 24,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,071.41 : 81,082.39 = 16,618.43 : x
  2. Step 2: Convert to fraction form
    54,071.41/81,082.39 = 16,618.43/x
  3. Step 3: Cross multiply
    54,071.41x = 81,082.39 × 16,618.43
  4. Step 4: Simplify right side
    54,071.41x = 1,347,462,022.45
  5. Step 5: Solve for x
    x = 1,347,462,022.45/54,071.41
  6. Step 6: Final answer
    x = 24,920.05

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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.