Home / 55,182.20-82,773.30-51,245.60

Finding the Fourth Proportional to 55,182.20, 82,773.30 and 51,245.60

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Solution

The fourth proportional to 55,182.20, 82,773.30 and 51,245.60 is: 76,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,182.20 : 82,773.30 = 51,245.60 : x
  2. Step 2: Convert to fraction form
    55,182.20/82,773.30 = 51,245.60/x
  3. Step 3: Cross multiply
    55,182.20x = 82,773.30 × 51,245.60
  4. Step 4: Simplify right side
    55,182.20x = 4,241,767,422.48
  5. Step 5: Solve for x
    x = 4,241,767,422.48/55,182.20
  6. Step 6: Final answer
    x = 76,868.40

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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.