Home / 79,605.18-109,853.94-43,793.05

Finding the Fourth Proportional to 79,605.18, 109,853.94 and 43,793.05

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Solution

The fourth proportional to 79,605.18, 109,853.94 and 43,793.05 is: 60,433.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,605.18 : 109,853.94 = 43,793.05 : x
  2. Step 2: Convert to fraction form
    79,605.18/109,853.94 = 43,793.05/x
  3. Step 3: Cross multiply
    79,605.18x = 109,853.94 × 43,793.05
  4. Step 4: Simplify right side
    79,605.18x = 4,810,839,087.12
  5. Step 5: Solve for x
    x = 4,810,839,087.12/79,605.18
  6. Step 6: Final answer
    x = 60,433.74

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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.