Home / 80,844.56-111,558.26-45,033.81

Finding the Fourth Proportional to 80,844.56, 111,558.26 and 45,033.81

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Solution

The fourth proportional to 80,844.56, 111,558.26 and 45,033.81 is: 62,142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,844.56 : 111,558.26 = 45,033.81 : x
  2. Step 2: Convert to fraction form
    80,844.56/111,558.26 = 45,033.81/x
  3. Step 3: Cross multiply
    80,844.56x = 111,558.26 × 45,033.81
  4. Step 4: Simplify right side
    80,844.56x = 5,023,893,179.01
  5. Step 5: Solve for x
    x = 5,023,893,179.01/80,844.56
  6. Step 6: Final answer
    x = 62,142.62

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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.