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Finding the Fourth Proportional to 68,010.96, 93,863.88 and 38,208.72

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Solution

The fourth proportional to 68,010.96, 93,863.88 and 38,208.72 is: 52,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,010.96 : 93,863.88 = 38,208.72 : x
  2. Step 2: Convert to fraction form
    68,010.96/93,863.88 = 38,208.72/x
  3. Step 3: Cross multiply
    68,010.96x = 93,863.88 × 38,208.72
  4. Step 4: Simplify right side
    68,010.96x = 3,586,418,709.03
  5. Step 5: Solve for x
    x = 3,586,418,709.03/68,010.96
  6. Step 6: Final answer
    x = 52,732.95

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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.