Home / 81,844.56-122,742.60-35,086.32

Finding the Fourth Proportional to 81,844.56, 122,742.60 and 35,086.32

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Solution

The fourth proportional to 81,844.56, 122,742.60 and 35,086.32 is: 52,619.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,844.56 : 122,742.60 = 35,086.32 : x
  2. Step 2: Convert to fraction form
    81,844.56/122,742.60 = 35,086.32/x
  3. Step 3: Cross multiply
    81,844.56x = 122,742.60 × 35,086.32
  4. Step 4: Simplify right side
    81,844.56x = 4,306,586,141.23
  5. Step 5: Solve for x
    x = 4,306,586,141.23/81,844.56
  6. Step 6: Final answer
    x = 52,619.09

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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.