Home / 68,394.37-94,380.32-38,181.61

Finding the Fourth Proportional to 68,394.37, 94,380.32 and 38,181.61

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Solution

The fourth proportional to 68,394.37, 94,380.32 and 38,181.61 is: 52,688.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,394.37 : 94,380.32 = 38,181.61 : x
  2. Step 2: Convert to fraction form
    68,394.37/94,380.32 = 38,181.61/x
  3. Step 3: Cross multiply
    68,394.37x = 94,380.32 × 38,181.61
  4. Step 4: Simplify right side
    68,394.37x = 3,603,592,143.06
  5. Step 5: Solve for x
    x = 3,603,592,143.06/68,394.37
  6. Step 6: Final answer
    x = 52,688.43

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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.