Home / 79,786.14-110,105.64-43,977.54

Finding the Fourth Proportional to 79,786.14, 110,105.64 and 43,977.54

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Solution

The fourth proportional to 79,786.14, 110,105.64 and 43,977.54 is: 60,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,786.14 : 110,105.64 = 43,977.54 : x
  2. Step 2: Convert to fraction form
    79,786.14/110,105.64 = 43,977.54/x
  3. Step 3: Cross multiply
    79,786.14x = 110,105.64 × 43,977.54
  4. Step 4: Simplify right side
    79,786.14x = 4,842,175,187.33
  5. Step 5: Solve for x
    x = 4,842,175,187.33/79,786.14
  6. Step 6: Final answer
    x = 60,689.43

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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.