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Finding the Fourth Proportional to 79,604.70, 119,310.92 and 35,181.06

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Solution

The fourth proportional to 79,604.70, 119,310.92 and 35,181.06 is: 52,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,604.70 : 119,310.92 = 35,181.06 : x
  2. Step 2: Convert to fraction form
    79,604.70/119,310.92 = 35,181.06/x
  3. Step 3: Cross multiply
    79,604.70x = 119,310.92 × 35,181.06
  4. Step 4: Simplify right side
    79,604.70x = 4,197,484,635.18
  5. Step 5: Solve for x
    x = 4,197,484,635.18/79,604.70
  6. Step 6: Final answer
    x = 52,729.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.