Home / 81,928.62-122,887.44-22,762.98

Finding the Fourth Proportional to 81,928.62, 122,887.44 and 22,762.98

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Solution

The fourth proportional to 81,928.62, 122,887.44 and 22,762.98 is: 34,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,928.62 : 122,887.44 = 22,762.98 : x
  2. Step 2: Convert to fraction form
    81,928.62/122,887.44 = 22,762.98/x
  3. Step 3: Cross multiply
    81,928.62x = 122,887.44 × 22,762.98
  4. Step 4: Simplify right side
    81,928.62x = 2,797,284,338.97
  5. Step 5: Solve for x
    x = 2,797,284,338.97/81,928.62
  6. Step 6: Final answer
    x = 34,142.94

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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.