Home / 50,912.20-76,368.30-50,134.60

Finding the Fourth Proportional to 50,912.20, 76,368.30 and 50,134.60

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Solution

The fourth proportional to 50,912.20, 76,368.30 and 50,134.60 is: 75,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,912.20 : 76,368.30 = 50,134.60 : x
  2. Step 2: Convert to fraction form
    50,912.20/76,368.30 = 50,134.60/x
  3. Step 3: Cross multiply
    50,912.20x = 76,368.30 × 50,134.60
  4. Step 4: Simplify right side
    50,912.20x = 3,828,694,173.18
  5. Step 5: Solve for x
    x = 3,828,694,173.18/50,912.20
  6. Step 6: Final answer
    x = 75,201.90

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1.5x scale

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.