Home / 57,260.20-85,890.30-50,917.90

Finding the Fourth Proportional to 57,260.20, 85,890.30 and 50,917.90

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Solution

The fourth proportional to 57,260.20, 85,890.30 and 50,917.90 is: 76,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,260.20 : 85,890.30 = 50,917.90 : x
  2. Step 2: Convert to fraction form
    57,260.20/85,890.30 = 50,917.90/x
  3. Step 3: Cross multiply
    57,260.20x = 85,890.30 × 50,917.90
  4. Step 4: Simplify right side
    57,260.20x = 4,373,353,706.37
  5. Step 5: Solve for x
    x = 4,373,353,706.37/57,260.20
  6. Step 6: Final answer
    x = 76,376.85

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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.