Home / 82,121.50-113,327.94-44,396.02

Finding the Fourth Proportional to 82,121.50, 113,327.94 and 44,396.02

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Solution

The fourth proportional to 82,121.50, 113,327.94 and 44,396.02 is: 61,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,121.50 : 113,327.94 = 44,396.02 : x
  2. Step 2: Convert to fraction form
    82,121.50/113,327.94 = 44,396.02/x
  3. Step 3: Cross multiply
    82,121.50x = 113,327.94 × 44,396.02
  4. Step 4: Simplify right side
    82,121.50x = 5,031,309,490.80
  5. Step 5: Solve for x
    x = 5,031,309,490.80/82,121.50
  6. Step 6: Final answer
    x = 61,266.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.