Home / 79,629.26-119,439.90-29,705.45

Finding the Fourth Proportional to 79,629.26, 119,439.90 and 29,705.45

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Solution

The fourth proportional to 79,629.26, 119,439.90 and 29,705.45 is: 44,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,629.26 : 119,439.90 = 29,705.45 : x
  2. Step 2: Convert to fraction form
    79,629.26/119,439.90 = 29,705.45/x
  3. Step 3: Cross multiply
    79,629.26x = 119,439.90 × 29,705.45
  4. Step 4: Simplify right side
    79,629.26x = 3,548,015,380.26
  5. Step 5: Solve for x
    x = 3,548,015,380.26/79,629.26
  6. Step 6: Final answer
    x = 44,556.68

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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.