Home / 81,441.22-122,187.34-24,517.38

Finding the Fourth Proportional to 81,441.22, 122,187.34 and 24,517.38

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Solution

The fourth proportional to 81,441.22, 122,187.34 and 24,517.38 is: 36,783.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,441.22 : 122,187.34 = 24,517.38 : x
  2. Step 2: Convert to fraction form
    81,441.22/122,187.34 = 24,517.38/x
  3. Step 3: Cross multiply
    81,441.22x = 122,187.34 × 24,517.38
  4. Step 4: Simplify right side
    81,441.22x = 2,995,713,445.97
  5. Step 5: Solve for x
    x = 2,995,713,445.97/81,441.22
  6. Step 6: Final answer
    x = 36,783.75

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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.