Home / 55,183.20-82,774.80-51,246.60

Finding the Fourth Proportional to 55,183.20, 82,774.80 and 51,246.60

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Solution

The fourth proportional to 55,183.20, 82,774.80 and 51,246.60 is: 76,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,183.20 : 82,774.80 = 51,246.60 : x
  2. Step 2: Convert to fraction form
    55,183.20/82,774.80 = 51,246.60/x
  3. Step 3: Cross multiply
    55,183.20x = 82,774.80 × 51,246.60
  4. Step 4: Simplify right side
    55,183.20x = 4,241,927,065.68
  5. Step 5: Solve for x
    x = 4,241,927,065.68/55,183.20
  6. Step 6: Final answer
    x = 76,869.90

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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.