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Finding the Fourth Proportional to 67,338, 92,935.44 and 43,534.08

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Solution

The fourth proportional to 67,338, 92,935.44 and 43,534.08 is: 60,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,338 : 92,935.44 = 43,534.08 : x
  2. Step 2: Convert to fraction form
    67,338/92,935.44 = 43,534.08/x
  3. Step 3: Cross multiply
    67,338x = 92,935.44 × 43,534.08
  4. Step 4: Simplify right side
    67,338x = 4,045,858,879.80
  5. Step 5: Solve for x
    x = 4,045,858,879.80/67,338
  6. Step 6: Final answer
    x = 60,082.85

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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.