Home / 68,520.35-102,766.40-26,385.97

Finding the Fourth Proportional to 68,520.35, 102,766.40 and 26,385.97

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Solution

The fourth proportional to 68,520.35, 102,766.40 and 26,385.97 is: 39,573.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,520.35 : 102,766.40 = 26,385.97 : x
  2. Step 2: Convert to fraction form
    68,520.35/102,766.40 = 26,385.97/x
  3. Step 3: Cross multiply
    68,520.35x = 102,766.40 × 26,385.97
  4. Step 4: Simplify right side
    68,520.35x = 2,711,591,147.41
  5. Step 5: Solve for x
    x = 2,711,591,147.41/68,520.35
  6. Step 6: Final answer
    x = 39,573.52

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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.