Home / 81,546.35-122,120.19-48,167.33

Finding the Fourth Proportional to 81,546.35, 122,120.19 and 48,167.33

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Solution

The fourth proportional to 81,546.35, 122,120.19 and 48,167.33 is: 72,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,546.35 : 122,120.19 = 48,167.33 : x
  2. Step 2: Convert to fraction form
    81,546.35/122,120.19 = 48,167.33/x
  3. Step 3: Cross multiply
    81,546.35x = 122,120.19 × 48,167.33
  4. Step 4: Simplify right side
    81,546.35x = 5,882,202,880.79
  5. Step 5: Solve for x
    x = 5,882,202,880.79/81,546.35
  6. Step 6: Final answer
    x = 72,133.25

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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.