Home / 91,930.68-137,861.96-32,750.64

Finding the Fourth Proportional to 91,930.68, 137,861.96 and 32,750.64

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Solution

The fourth proportional to 91,930.68, 137,861.96 and 32,750.64 is: 49,113.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,930.68 : 137,861.96 = 32,750.64 : x
  2. Step 2: Convert to fraction form
    91,930.68/137,861.96 = 32,750.64/x
  3. Step 3: Cross multiply
    91,930.68x = 137,861.96 × 32,750.64
  4. Step 4: Simplify right side
    91,930.68x = 4,515,067,421.65
  5. Step 5: Solve for x
    x = 4,515,067,421.65/91,930.68
  6. Step 6: Final answer
    x = 49,113.83

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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.