Home / 81,844.25-122,730.56-41,292.80

Finding the Fourth Proportional to 81,844.25, 122,730.56 and 41,292.80

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Solution

The fourth proportional to 81,844.25, 122,730.56 and 41,292.80 is: 61,921.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,844.25 : 122,730.56 = 41,292.80 : x
  2. Step 2: Convert to fraction form
    81,844.25/122,730.56 = 41,292.80/x
  3. Step 3: Cross multiply
    81,844.25x = 122,730.56 × 41,292.80
  4. Step 4: Simplify right side
    81,844.25x = 5,067,887,647.85
  5. Step 5: Solve for x
    x = 5,067,887,647.85/81,844.25
  6. Step 6: Final answer
    x = 61,921.12

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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.