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Finding the Fourth Proportional to 68,652, 94,741.20 and 38,844

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Solution

The fourth proportional to 68,652, 94,741.20 and 38,844 is: 53,605.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,652 : 94,741.20 = 38,844 : x
  2. Step 2: Convert to fraction form
    68,652/94,741.20 = 38,844/x
  3. Step 3: Cross multiply
    68,652x = 94,741.20 × 38,844
  4. Step 4: Simplify right side
    68,652x = 3,680,127,172.80
  5. Step 5: Solve for x
    x = 3,680,127,172.80/68,652
  6. Step 6: Final answer
    x = 53,605.53

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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.