Home / 68,729.91-103,111.26-24,360.54

Finding the Fourth Proportional to 68,729.91, 103,111.26 and 24,360.54

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Solution

The fourth proportional to 68,729.91, 103,111.26 and 24,360.54 is: 36,546.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,729.91 : 103,111.26 = 24,360.54 : x
  2. Step 2: Convert to fraction form
    68,729.91/103,111.26 = 24,360.54/x
  3. Step 3: Cross multiply
    68,729.91x = 103,111.26 × 24,360.54
  4. Step 4: Simplify right side
    68,729.91x = 2,511,845,458.12
  5. Step 5: Solve for x
    x = 2,511,845,458.12/68,729.91
  6. Step 6: Final answer
    x = 36,546.62

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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.