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Finding the Fourth Proportional to 67,338.88, 92,923.44 and 37,122.64

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Solution

The fourth proportional to 67,338.88, 92,923.44 and 37,122.64 is: 51,226.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,338.88 : 92,923.44 = 37,122.64 : x
  2. Step 2: Convert to fraction form
    67,338.88/92,923.44 = 37,122.64/x
  3. Step 3: Cross multiply
    67,338.88x = 92,923.44 × 37,122.64
  4. Step 4: Simplify right side
    67,338.88x = 3,449,563,410.68
  5. Step 5: Solve for x
    x = 3,449,563,410.68/67,338.88
  6. Step 6: Final answer
    x = 51,226.92

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1.5x scale

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.