Home / 55,620.42-83,437.11-18,183.30

Finding the Fourth Proportional to 55,620.42, 83,437.11 and 18,183.30

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Solution

The fourth proportional to 55,620.42, 83,437.11 and 18,183.30 is: 27,277.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,620.42 : 83,437.11 = 18,183.30 : x
  2. Step 2: Convert to fraction form
    55,620.42/83,437.11 = 18,183.30/x
  3. Step 3: Cross multiply
    55,620.42x = 83,437.11 × 18,183.30
  4. Step 4: Simplify right side
    55,620.42x = 1,517,162,002.26
  5. Step 5: Solve for x
    x = 1,517,162,002.26/55,620.42
  6. Step 6: Final answer
    x = 27,277.07

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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.