Home / 94,930.50-131,004.31-51,912.78

Finding the Fourth Proportional to 94,930.50, 131,004.31 and 51,912.78

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Solution

The fourth proportional to 94,930.50, 131,004.31 and 51,912.78 is: 71,639.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,930.50 : 131,004.31 = 51,912.78 : x
  2. Step 2: Convert to fraction form
    94,930.50/131,004.31 = 51,912.78/x
  3. Step 3: Cross multiply
    94,930.50x = 131,004.31 × 51,912.78
  4. Step 4: Simplify right side
    94,930.50x = 6,800,797,924.08
  5. Step 5: Solve for x
    x = 6,800,797,924.08/94,930.50
  6. Step 6: Final answer
    x = 71,639.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.