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Finding the Fourth Proportional to 67,537.32, 93,198.78 and 39,240.78

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Solution

The fourth proportional to 67,537.32, 93,198.78 and 39,240.78 is: 54,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,537.32 : 93,198.78 = 39,240.78 : x
  2. Step 2: Convert to fraction form
    67,537.32/93,198.78 = 39,240.78/x
  3. Step 3: Cross multiply
    67,537.32x = 93,198.78 × 39,240.78
  4. Step 4: Simplify right side
    67,537.32x = 3,657,192,822.25
  5. Step 5: Solve for x
    x = 3,657,192,822.25/67,537.32
  6. Step 6: Final answer
    x = 54,150.70

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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.