Home / 54,198.12-81,305.97-16,749.45

Finding the Fourth Proportional to 54,198.12, 81,305.97 and 16,749.45

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Solution

The fourth proportional to 54,198.12, 81,305.97 and 16,749.45 is: 25,126.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,198.12 : 81,305.97 = 16,749.45 : x
  2. Step 2: Convert to fraction form
    54,198.12/81,305.97 = 16,749.45/x
  3. Step 3: Cross multiply
    54,198.12x = 81,305.97 × 16,749.45
  4. Step 4: Simplify right side
    54,198.12x = 1,361,830,279.22
  5. Step 5: Solve for x
    x = 1,361,830,279.22/54,198.12
  6. Step 6: Final answer
    x = 25,126.89

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1.5x scale

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.