Home / 80,466.24-111,046.44-48,629.04

Finding the Fourth Proportional to 80,466.24, 111,046.44 and 48,629.04

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Solution

The fourth proportional to 80,466.24, 111,046.44 and 48,629.04 is: 67,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,466.24 : 111,046.44 = 48,629.04 : x
  2. Step 2: Convert to fraction form
    80,466.24/111,046.44 = 48,629.04/x
  3. Step 3: Cross multiply
    80,466.24x = 111,046.44 × 48,629.04
  4. Step 4: Simplify right side
    80,466.24x = 5,400,081,772.62
  5. Step 5: Solve for x
    x = 5,400,081,772.62/80,466.24
  6. Step 6: Final answer
    x = 67,109.91

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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.