Home / 82,439.08-113,770.34-52,213.30

Finding the Fourth Proportional to 82,439.08, 113,770.34 and 52,213.30

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Solution

The fourth proportional to 82,439.08, 113,770.34 and 52,213.30 is: 72,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,439.08 : 113,770.34 = 52,213.30 : x
  2. Step 2: Convert to fraction form
    82,439.08/113,770.34 = 52,213.30/x
  3. Step 3: Cross multiply
    82,439.08x = 113,770.34 × 52,213.30
  4. Step 4: Simplify right side
    82,439.08x = 5,940,324,893.52
  5. Step 5: Solve for x
    x = 5,940,324,893.52/82,439.08
  6. Step 6: Final answer
    x = 72,057.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.