Home / 68,716.62-94,787.01-45,432.97

Finding the Fourth Proportional to 68,716.62, 94,787.01 and 45,432.97

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Solution

The fourth proportional to 68,716.62, 94,787.01 and 45,432.97 is: 62,669.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,716.62 : 94,787.01 = 45,432.97 : x
  2. Step 2: Convert to fraction form
    68,716.62/94,787.01 = 45,432.97/x
  3. Step 3: Cross multiply
    68,716.62x = 94,787.01 × 45,432.97
  4. Step 4: Simplify right side
    68,716.62x = 4,306,455,381.72
  5. Step 5: Solve for x
    x = 4,306,455,381.72/68,716.62
  6. Step 6: Final answer
    x = 62,669.78

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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.