Home / 79,364.25-109,519.22-43,554.86

Finding the Fourth Proportional to 79,364.25, 109,519.22 and 43,554.86

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Solution

The fourth proportional to 79,364.25, 109,519.22 and 43,554.86 is: 60,103.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,364.25 : 109,519.22 = 43,554.86 : x
  2. Step 2: Convert to fraction form
    79,364.25/109,519.22 = 43,554.86/x
  3. Step 3: Cross multiply
    79,364.25x = 109,519.22 × 43,554.86
  4. Step 4: Simplify right side
    79,364.25x = 4,770,094,294.41
  5. Step 5: Solve for x
    x = 4,770,094,294.41/79,364.25
  6. Step 6: Final answer
    x = 60,103.82

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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.