Home / 90,376.60-135,553.32-23,821.96

Finding the Fourth Proportional to 90,376.60, 135,553.32 and 23,821.96

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Solution

The fourth proportional to 90,376.60, 135,553.32 and 23,821.96 is: 35,729.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,376.60 : 135,553.32 = 23,821.96 : x
  2. Step 2: Convert to fraction form
    90,376.60/135,553.32 = 23,821.96/x
  3. Step 3: Cross multiply
    90,376.60x = 135,553.32 × 23,821.96
  4. Step 4: Simplify right side
    90,376.60x = 3,229,145,766.91
  5. Step 5: Solve for x
    x = 3,229,145,766.91/90,376.60
  6. Step 6: Final answer
    x = 35,729.89

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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.