Home / 54,286.71-81,441.77-16,845.99

Finding the Fourth Proportional to 54,286.71, 81,441.77 and 16,845.99

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Solution

The fourth proportional to 54,286.71, 81,441.77 and 16,845.99 is: 25,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,286.71 : 81,441.77 = 16,845.99 : x
  2. Step 2: Convert to fraction form
    54,286.71/81,441.77 = 16,845.99/x
  3. Step 3: Cross multiply
    54,286.71x = 81,441.77 × 16,845.99
  4. Step 4: Simplify right side
    54,286.71x = 1,371,967,158.77
  5. Step 5: Solve for x
    x = 1,371,967,158.77/54,286.71
  6. Step 6: Final answer
    x = 25,272.62

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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.