Home / 81,999.23-123,002.09-22,840.07

Finding the Fourth Proportional to 81,999.23, 123,002.09 and 22,840.07

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Solution

The fourth proportional to 81,999.23, 123,002.09 and 22,840.07 is: 34,261.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,999.23 : 123,002.09 = 22,840.07 : x
  2. Step 2: Convert to fraction form
    81,999.23/123,002.09 = 22,840.07/x
  3. Step 3: Cross multiply
    81,999.23x = 123,002.09 × 22,840.07
  4. Step 4: Simplify right side
    81,999.23x = 2,809,376,231.55
  5. Step 5: Solve for x
    x = 2,809,376,231.55/81,999.23
  6. Step 6: Final answer
    x = 34,261.01

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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.