Home / 67,785.40-101,722.02-51,183.64

Finding the Fourth Proportional to 67,785.40, 101,722.02 and 51,183.64

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Solution

The fourth proportional to 67,785.40, 101,722.02 and 51,183.64 is: 76,808.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,785.40 : 101,722.02 = 51,183.64 : x
  2. Step 2: Convert to fraction form
    67,785.40/101,722.02 = 51,183.64/x
  3. Step 3: Cross multiply
    67,785.40x = 101,722.02 × 51,183.64
  4. Step 4: Simplify right side
    67,785.40x = 5,206,503,251.75
  5. Step 5: Solve for x
    x = 5,206,503,251.75/67,785.40
  6. Step 6: Final answer
    x = 76,808.62

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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.