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Finding the Fourth Proportional to 68,466.67, 94,483.56 and 38,251.77

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Solution

The fourth proportional to 68,466.67, 94,483.56 and 38,251.77 is: 52,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,466.67 : 94,483.56 = 38,251.77 : x
  2. Step 2: Convert to fraction form
    68,466.67/94,483.56 = 38,251.77/x
  3. Step 3: Cross multiply
    68,466.67x = 94,483.56 × 38,251.77
  4. Step 4: Simplify right side
    68,466.67x = 3,614,162,933.48
  5. Step 5: Solve for x
    x = 3,614,162,933.48/68,466.67
  6. Step 6: Final answer
    x = 52,787.19

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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.