Home / 91,340.46-137,021.63-32,163.89

Finding the Fourth Proportional to 91,340.46, 137,021.63 and 32,163.89

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Solution

The fourth proportional to 91,340.46, 137,021.63 and 32,163.89 is: 48,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,340.46 : 137,021.63 = 32,163.89 : x
  2. Step 2: Convert to fraction form
    91,340.46/137,021.63 = 32,163.89/x
  3. Step 3: Cross multiply
    91,340.46x = 137,021.63 × 32,163.89
  4. Step 4: Simplify right side
    91,340.46x = 4,407,147,789.01
  5. Step 5: Solve for x
    x = 4,407,147,789.01/91,340.46
  6. Step 6: Final answer
    x = 48,249.68

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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.