Home / 79,960.26-119,944.71-20,796.06

Finding the Fourth Proportional to 79,960.26, 119,944.71 and 20,796.06

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Solution

The fourth proportional to 79,960.26, 119,944.71 and 20,796.06 is: 31,195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,960.26 : 119,944.71 = 20,796.06 : x
  2. Step 2: Convert to fraction form
    79,960.26/119,944.71 = 20,796.06/x
  3. Step 3: Cross multiply
    79,960.26x = 119,944.71 × 20,796.06
  4. Step 4: Simplify right side
    79,960.26x = 2,494,377,385.84
  5. Step 5: Solve for x
    x = 2,494,377,385.84/79,960.26
  6. Step 6: Final answer
    x = 31,195.21

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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.