Home / 73,198.89-109,724.52-55,631.81

Finding the Fourth Proportional to 73,198.89, 109,724.52 and 55,631.81

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Solution

The fourth proportional to 73,198.89, 109,724.52 and 55,631.81 is: 83,391.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,198.89 : 109,724.52 = 55,631.81 : x
  2. Step 2: Convert to fraction form
    73,198.89/109,724.52 = 55,631.81/x
  3. Step 3: Cross multiply
    73,198.89x = 109,724.52 × 55,631.81
  4. Step 4: Simplify right side
    73,198.89x = 6,104,174,131.91
  5. Step 5: Solve for x
    x = 6,104,174,131.91/73,198.89
  6. Step 6: Final answer
    x = 83,391.62

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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.