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Finding the Fourth Proportional to 67,130.25, 92,637.78 and 36,915.54

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Solution

The fourth proportional to 67,130.25, 92,637.78 and 36,915.54 is: 50,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,130.25 : 92,637.78 = 36,915.54 : x
  2. Step 2: Convert to fraction form
    67,130.25/92,637.78 = 36,915.54/x
  3. Step 3: Cross multiply
    67,130.25x = 92,637.78 × 36,915.54
  4. Step 4: Simplify right side
    67,130.25x = 3,419,773,673.10
  5. Step 5: Solve for x
    x = 3,419,773,673.10/67,130.25
  6. Step 6: Final answer
    x = 50,942.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.