Home / 54,296.87-81,458.06-16,855.02

Finding the Fourth Proportional to 54,296.87, 81,458.06 and 16,855.02

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Solution

The fourth proportional to 54,296.87, 81,458.06 and 16,855.02 is: 25,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,296.87 : 81,458.06 = 16,855.02 : x
  2. Step 2: Convert to fraction form
    54,296.87/81,458.06 = 16,855.02/x
  3. Step 3: Cross multiply
    54,296.87x = 81,458.06 × 16,855.02
  4. Step 4: Simplify right side
    54,296.87x = 1,372,977,146.19
  5. Step 5: Solve for x
    x = 1,372,977,146.19/54,296.87
  6. Step 6: Final answer
    x = 25,286.49

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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.