Home / 79,422.44-109,604.75-43,612.61

Finding the Fourth Proportional to 79,422.44, 109,604.75 and 43,612.61

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Solution

The fourth proportional to 79,422.44, 109,604.75 and 43,612.61 is: 60,186.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,422.44 : 109,604.75 = 43,612.61 : x
  2. Step 2: Convert to fraction form
    79,422.44/109,604.75 = 43,612.61/x
  3. Step 3: Cross multiply
    79,422.44x = 109,604.75 × 43,612.61
  4. Step 4: Simplify right side
    79,422.44x = 4,780,148,449.81
  5. Step 5: Solve for x
    x = 4,780,148,449.81/79,422.44
  6. Step 6: Final answer
    x = 60,186.37

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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.