Home / 79,150.44-109,227.64-43,342.68

Finding the Fourth Proportional to 79,150.44, 109,227.64 and 43,342.68

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Solution

The fourth proportional to 79,150.44, 109,227.64 and 43,342.68 is: 59,812.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,150.44 : 109,227.64 = 43,342.68 : x
  2. Step 2: Convert to fraction form
    79,150.44/109,227.64 = 43,342.68/x
  3. Step 3: Cross multiply
    79,150.44x = 109,227.64 × 43,342.68
  4. Step 4: Simplify right side
    79,150.44x = 4,734,218,647.68
  5. Step 5: Solve for x
    x = 4,734,218,647.68/79,150.44
  6. Step 6: Final answer
    x = 59,812.92

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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.