Home / 68,051.22-102,090.20-23,679.42

Finding the Fourth Proportional to 68,051.22, 102,090.20 and 23,679.42

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Solution

The fourth proportional to 68,051.22, 102,090.20 and 23,679.42 is: 35,523.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,051.22 : 102,090.20 = 23,679.42 : x
  2. Step 2: Convert to fraction form
    68,051.22/102,090.20 = 23,679.42/x
  3. Step 3: Cross multiply
    68,051.22x = 102,090.20 × 23,679.42
  4. Step 4: Simplify right side
    68,051.22x = 2,417,436,605.29
  5. Step 5: Solve for x
    x = 2,417,436,605.29/68,051.22
  6. Step 6: Final answer
    x = 35,523.78

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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.