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Finding the Fourth Proportional to 81,999.73, 123,002.84 and 22,840.57

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Solution

The fourth proportional to 81,999.73, 123,002.84 and 22,840.57 is: 34,261.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,999.73 : 123,002.84 = 22,840.57 : x
  2. Step 2: Convert to fraction form
    81,999.73/123,002.84 = 22,840.57/x
  3. Step 3: Cross multiply
    81,999.73x = 123,002.84 × 22,840.57
  4. Step 4: Simplify right side
    81,999.73x = 2,809,454,977.22
  5. Step 5: Solve for x
    x = 2,809,454,977.22/81,999.73
  6. Step 6: Final answer
    x = 34,261.76

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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.