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Finding the Fourth Proportional to 67,363.60, 92,935.20 and 39,052.48

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Solution

The fourth proportional to 67,363.60, 92,935.20 and 39,052.48 is: 53,877.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,363.60 : 92,935.20 = 39,052.48 : x
  2. Step 2: Convert to fraction form
    67,363.60/92,935.20 = 39,052.48/x
  3. Step 3: Cross multiply
    67,363.60x = 92,935.20 × 39,052.48
  4. Step 4: Simplify right side
    67,363.60x = 3,629,350,039.30
  5. Step 5: Solve for x
    x = 3,629,350,039.30/67,363.60
  6. Step 6: Final answer
    x = 53,877.02

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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.