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Finding the Fourth Proportional to 63,892.38, 88,172.08 and 35,213.09

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Solution

The fourth proportional to 63,892.38, 88,172.08 and 35,213.09 is: 48,594.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,892.38 : 88,172.08 = 35,213.09 : x
  2. Step 2: Convert to fraction form
    63,892.38/88,172.08 = 35,213.09/x
  3. Step 3: Cross multiply
    63,892.38x = 88,172.08 × 35,213.09
  4. Step 4: Simplify right side
    63,892.38x = 3,104,811,190.28
  5. Step 5: Solve for x
    x = 3,104,811,190.28/63,892.38
  6. Step 6: Final answer
    x = 48,594.39

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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.