Home / 79,660.21-109,934.22-43,853.55

Finding the Fourth Proportional to 79,660.21, 109,934.22 and 43,853.55

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Solution

The fourth proportional to 79,660.21, 109,934.22 and 43,853.55 is: 60,519.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,660.21 : 109,934.22 = 43,853.55 : x
  2. Step 2: Convert to fraction form
    79,660.21/109,934.22 = 43,853.55/x
  3. Step 3: Cross multiply
    79,660.21x = 109,934.22 × 43,853.55
  4. Step 4: Simplify right side
    79,660.21x = 4,821,005,813.48
  5. Step 5: Solve for x
    x = 4,821,005,813.48/79,660.21
  6. Step 6: Final answer
    x = 60,519.62

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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.