Home / 79,265.25-109,383.62-43,454.34

Finding the Fourth Proportional to 79,265.25, 109,383.62 and 43,454.34

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Solution

The fourth proportional to 79,265.25, 109,383.62 and 43,454.34 is: 59,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,265.25 : 109,383.62 = 43,454.34 : x
  2. Step 2: Convert to fraction form
    79,265.25/109,383.62 = 43,454.34/x
  3. Step 3: Cross multiply
    79,265.25x = 109,383.62 × 43,454.34
  4. Step 4: Simplify right side
    79,265.25x = 4,753,192,796.64
  5. Step 5: Solve for x
    x = 4,753,192,796.64/79,265.25
  6. Step 6: Final answer
    x = 59,965.66

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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.