Home / 80,115.45-110,559.66-43,817.61

Finding the Fourth Proportional to 80,115.45, 110,559.66 and 43,817.61

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Solution

The fourth proportional to 80,115.45, 110,559.66 and 43,817.61 is: 60,468.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,115.45 : 110,559.66 = 43,817.61 : x
  2. Step 2: Convert to fraction form
    80,115.45/110,559.66 = 43,817.61/x
  3. Step 3: Cross multiply
    80,115.45x = 110,559.66 × 43,817.61
  4. Step 4: Simplify right side
    80,115.45x = 4,844,460,063.61
  5. Step 5: Solve for x
    x = 4,844,460,063.61/80,115.45
  6. Step 6: Final answer
    x = 60,468.49

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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.