Home / 68,489.02-102,741.72-29,041

Finding the Fourth Proportional to 68,489.02, 102,741.72 and 29,041

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Solution

The fourth proportional to 68,489.02, 102,741.72 and 29,041 is: 43,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,489.02 : 102,741.72 = 29,041 : x
  2. Step 2: Convert to fraction form
    68,489.02/102,741.72 = 29,041/x
  3. Step 3: Cross multiply
    68,489.02x = 102,741.72 × 29,041
  4. Step 4: Simplify right side
    68,489.02x = 2,983,722,290.52
  5. Step 5: Solve for x
    x = 2,983,722,290.52/68,489.02
  6. Step 6: Final answer
    x = 43,564.97

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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.