Home / 79,365.75-109,521.28-43,556.37

Finding the Fourth Proportional to 79,365.75, 109,521.28 and 43,556.37

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Solution

The fourth proportional to 79,365.75, 109,521.28 and 43,556.37 is: 60,105.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,365.75 : 109,521.28 = 43,556.37 : x
  2. Step 2: Convert to fraction form
    79,365.75/109,521.28 = 43,556.37/x
  3. Step 3: Cross multiply
    79,365.75x = 109,521.28 × 43,556.37
  4. Step 4: Simplify right side
    79,365.75x = 4,770,349,394.55
  5. Step 5: Solve for x
    x = 4,770,349,394.55/79,365.75
  6. Step 6: Final answer
    x = 60,105.89

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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.