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Finding the Fourth Proportional to 68,330.92, 94,297.38 and 38,119

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Solution

The fourth proportional to 68,330.92, 94,297.38 and 38,119 is: 52,604.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,330.92 : 94,297.38 = 38,119 : x
  2. Step 2: Convert to fraction form
    68,330.92/94,297.38 = 38,119/x
  3. Step 3: Cross multiply
    68,330.92x = 94,297.38 × 38,119
  4. Step 4: Simplify right side
    68,330.92x = 3,594,521,828.22
  5. Step 5: Solve for x
    x = 3,594,521,828.22/68,330.92
  6. Step 6: Final answer
    x = 52,604.62

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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.