Home / 81,622.36-122,433.32-46,067.56

Finding the Fourth Proportional to 81,622.36, 122,433.32 and 46,067.56

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Solution

The fourth proportional to 81,622.36, 122,433.32 and 46,067.56 is: 69,101.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,622.36 : 122,433.32 = 46,067.56 : x
  2. Step 2: Convert to fraction form
    81,622.36/122,433.32 = 46,067.56/x
  3. Step 3: Cross multiply
    81,622.36x = 122,433.32 × 46,067.56
  4. Step 4: Simplify right side
    81,622.36x = 5,640,204,315.10
  5. Step 5: Solve for x
    x = 5,640,204,315.10/81,622.36
  6. Step 6: Final answer
    x = 69,101.22

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1.5x scale

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.