Home / 79,269.20-109,391.48-43,458.44

Finding the Fourth Proportional to 79,269.20, 109,391.48 and 43,458.44

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Solution

The fourth proportional to 79,269.20, 109,391.48 and 43,458.44 is: 59,972.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,269.20 : 109,391.48 = 43,458.44 : x
  2. Step 2: Convert to fraction form
    79,269.20/109,391.48 = 43,458.44/x
  3. Step 3: Cross multiply
    79,269.20x = 109,391.48 × 43,458.44
  4. Step 4: Simplify right side
    79,269.20x = 4,753,983,126.28
  5. Step 5: Solve for x
    x = 4,753,983,126.28/79,269.20
  6. Step 6: Final answer
    x = 59,972.64

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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.