Home / 79,474.11-109,676.25-43,666.44

Finding the Fourth Proportional to 79,474.11, 109,676.25 and 43,666.44

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Solution

The fourth proportional to 79,474.11, 109,676.25 and 43,666.44 is: 60,260.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,474.11 : 109,676.25 = 43,666.44 : x
  2. Step 2: Convert to fraction form
    79,474.11/109,676.25 = 43,666.44/x
  3. Step 3: Cross multiply
    79,474.11x = 109,676.25 × 43,666.44
  4. Step 4: Simplify right side
    79,474.11x = 4,789,171,390.05
  5. Step 5: Solve for x
    x = 4,789,171,390.05/79,474.11
  6. Step 6: Final answer
    x = 60,260.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.