Home / 91,910.30-137,876.58-32,751.95

Finding the Fourth Proportional to 91,910.30, 137,876.58 and 32,751.95

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Solution

The fourth proportional to 91,910.30, 137,876.58 and 32,751.95 is: 49,131.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,910.30 : 137,876.58 = 32,751.95 : x
  2. Step 2: Convert to fraction form
    91,910.30/137,876.58 = 32,751.95/x
  3. Step 3: Cross multiply
    91,910.30x = 137,876.58 × 32,751.95
  4. Step 4: Simplify right side
    91,910.30x = 4,515,726,164.95
  5. Step 5: Solve for x
    x = 4,515,726,164.95/91,910.30
  6. Step 6: Final answer
    x = 49,131.89

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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.