Home / 68,996.28-103,566.80-61,149

Finding the Fourth Proportional to 68,996.28, 103,566.80 and 61,149

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Solution

The fourth proportional to 68,996.28, 103,566.80 and 61,149 is: 91,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,996.28 : 103,566.80 = 61,149 : x
  2. Step 2: Convert to fraction form
    68,996.28/103,566.80 = 61,149/x
  3. Step 3: Cross multiply
    68,996.28x = 103,566.80 × 61,149
  4. Step 4: Simplify right side
    68,996.28x = 6,333,006,253.20
  5. Step 5: Solve for x
    x = 6,333,006,253.20/68,996.28
  6. Step 6: Final answer
    x = 91,787.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.