Home / 81,560.55-122,327.73-22,382.40

Finding the Fourth Proportional to 81,560.55, 122,327.73 and 22,382.40

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Solution

The fourth proportional to 81,560.55, 122,327.73 and 22,382.40 is: 33,570.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,560.55 : 122,327.73 = 22,382.40 : x
  2. Step 2: Convert to fraction form
    81,560.55/122,327.73 = 22,382.40/x
  3. Step 3: Cross multiply
    81,560.55x = 122,327.73 × 22,382.40
  4. Step 4: Simplify right side
    81,560.55x = 2,737,988,183.95
  5. Step 5: Solve for x
    x = 2,737,988,183.95/81,560.55
  6. Step 6: Final answer
    x = 33,570.01

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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.