Home / 54,071.30-81,105.24-16,629.86

Finding the Fourth Proportional to 54,071.30, 81,105.24 and 16,629.86

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Solution

The fourth proportional to 54,071.30, 81,105.24 and 16,629.86 is: 24,944.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,071.30 : 81,105.24 = 16,629.86 : x
  2. Step 2: Convert to fraction form
    54,071.30/81,105.24 = 16,629.86/x
  3. Step 3: Cross multiply
    54,071.30x = 81,105.24 × 16,629.86
  4. Step 4: Simplify right side
    54,071.30x = 1,348,768,786.47
  5. Step 5: Solve for x
    x = 1,348,768,786.47/54,071.30
  6. Step 6: Final answer
    x = 24,944.26

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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.