Home / 81,568.98-122,324.22-44,156.70

Finding the Fourth Proportional to 81,568.98, 122,324.22 and 44,156.70

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Solution

The fourth proportional to 81,568.98, 122,324.22 and 44,156.70 is: 66,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,568.98 : 122,324.22 = 44,156.70 : x
  2. Step 2: Convert to fraction form
    81,568.98/122,324.22 = 44,156.70/x
  3. Step 3: Cross multiply
    81,568.98x = 122,324.22 × 44,156.70
  4. Step 4: Simplify right side
    81,568.98x = 5,401,433,885.27
  5. Step 5: Solve for x
    x = 5,401,433,885.27/81,568.98
  6. Step 6: Final answer
    x = 66,219.22

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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.