Home / 71,855.06-99,163.04-40,023.97

Finding the Fourth Proportional to 71,855.06, 99,163.04 and 40,023.97

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Solution

The fourth proportional to 71,855.06, 99,163.04 and 40,023.97 is: 55,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,855.06 : 99,163.04 = 40,023.97 : x
  2. Step 2: Convert to fraction form
    71,855.06/99,163.04 = 40,023.97/x
  3. Step 3: Cross multiply
    71,855.06x = 99,163.04 × 40,023.97
  4. Step 4: Simplify right side
    71,855.06x = 3,968,898,090.04
  5. Step 5: Solve for x
    x = 3,968,898,090.04/71,855.06
  6. Step 6: Final answer
    x = 55,234.78

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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.