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Finding the Fourth Proportional to 93,602, 140,403 and 27,938

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Solution

The fourth proportional to 93,602, 140,403 and 27,938 is: 41,907

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,602 : 140,403 = 27,938 : x
  2. Step 2: Convert to fraction form
    93,602/140,403 = 27,938/x
  3. Step 3: Cross multiply
    93,602x = 140,403 × 27,938
  4. Step 4: Simplify right side
    93,602x = 3,922,579,014
  5. Step 5: Solve for x
    x = 3,922,579,014/93,602
  6. Step 6: Final answer
    x = 41,907

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.