Home / 68,890.50-103,342.28-26,773.83

Finding the Fourth Proportional to 68,890.50, 103,342.28 and 26,773.83

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Solution

The fourth proportional to 68,890.50, 103,342.28 and 26,773.83 is: 40,163.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,890.50 : 103,342.28 = 26,773.83 : x
  2. Step 2: Convert to fraction form
    68,890.50/103,342.28 = 26,773.83/x
  3. Step 3: Cross multiply
    68,890.50x = 103,342.28 × 26,773.83
  4. Step 4: Simplify right side
    68,890.50x = 2,766,868,507.94
  5. Step 5: Solve for x
    x = 2,766,868,507.94/68,890.50
  6. Step 6: Final answer
    x = 40,163.28

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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.