Home / 79,151.48-109,229.04-43,343.68

Finding the Fourth Proportional to 79,151.48, 109,229.04 and 43,343.68

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Solution

The fourth proportional to 79,151.48, 109,229.04 and 43,343.68 is: 59,814.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,151.48 : 109,229.04 = 43,343.68 : x
  2. Step 2: Convert to fraction form
    79,151.48/109,229.04 = 43,343.68/x
  3. Step 3: Cross multiply
    79,151.48x = 109,229.04 × 43,343.68
  4. Step 4: Simplify right side
    79,151.48x = 4,734,388,556.47
  5. Step 5: Solve for x
    x = 4,734,388,556.47/79,151.48
  6. Step 6: Final answer
    x = 59,814.28

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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.