Home / 68,192.31-94,142.21-47,836.74

Finding the Fourth Proportional to 68,192.31, 94,142.21 and 47,836.74

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Solution

The fourth proportional to 68,192.31, 94,142.21 and 47,836.74 is: 66,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,192.31 : 94,142.21 = 47,836.74 : x
  2. Step 2: Convert to fraction form
    68,192.31/94,142.21 = 47,836.74/x
  3. Step 3: Cross multiply
    68,192.31x = 94,142.21 × 47,836.74
  4. Step 4: Simplify right side
    68,192.31x = 4,503,456,183.61
  5. Step 5: Solve for x
    x = 4,503,456,183.61/68,192.31
  6. Step 6: Final answer
    x = 66,040.53

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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.