Home / 79,267.14-109,388.63-43,456.38

Finding the Fourth Proportional to 79,267.14, 109,388.63 and 43,456.38

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Solution

The fourth proportional to 79,267.14, 109,388.63 and 43,456.38 is: 59,969.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,267.14 : 109,388.63 = 43,456.38 : x
  2. Step 2: Convert to fraction form
    79,267.14/109,388.63 = 43,456.38/x
  3. Step 3: Cross multiply
    79,267.14x = 109,388.63 × 43,456.38
  4. Step 4: Simplify right side
    79,267.14x = 4,753,633,942.26
  5. Step 5: Solve for x
    x = 4,753,633,942.26/79,267.14
  6. Step 6: Final answer
    x = 59,969.79

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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.