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Finding the Fourth Proportional to 68,099.25, 93,976.52 and 37,474.22

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Solution

The fourth proportional to 68,099.25, 93,976.52 and 37,474.22 is: 51,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,099.25 : 93,976.52 = 37,474.22 : x
  2. Step 2: Convert to fraction form
    68,099.25/93,976.52 = 37,474.22/x
  3. Step 3: Cross multiply
    68,099.25x = 93,976.52 × 37,474.22
  4. Step 4: Simplify right side
    68,099.25x = 3,521,696,128.06
  5. Step 5: Solve for x
    x = 3,521,696,128.06/68,099.25
  6. Step 6: Final answer
    x = 51,714.17

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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.