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Finding the Fourth Proportional to 67,322.62, 92,905.40 and 40,480.50

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Solution

The fourth proportional to 67,322.62, 92,905.40 and 40,480.50 is: 55,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,322.62 : 92,905.40 = 40,480.50 : x
  2. Step 2: Convert to fraction form
    67,322.62/92,905.40 = 40,480.50/x
  3. Step 3: Cross multiply
    67,322.62x = 92,905.40 × 40,480.50
  4. Step 4: Simplify right side
    67,322.62x = 3,760,857,145.90
  5. Step 5: Solve for x
    x = 3,760,857,145.90/67,322.62
  6. Step 6: Final answer
    x = 55,863.20

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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.