Home / 61,289.27-91,850.85-31,727.86

Finding the Fourth Proportional to 61,289.27, 91,850.85 and 31,727.86

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Solution

The fourth proportional to 61,289.27, 91,850.85 and 31,727.86 is: 47,548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,289.27 : 91,850.85 = 31,727.86 : x
  2. Step 2: Convert to fraction form
    61,289.27/91,850.85 = 31,727.86/x
  3. Step 3: Cross multiply
    61,289.27x = 91,850.85 × 31,727.86
  4. Step 4: Simplify right side
    61,289.27x = 2,914,230,909.68
  5. Step 5: Solve for x
    x = 2,914,230,909.68/61,289.27
  6. Step 6: Final answer
    x = 47,548.79

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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.