Home / 91,377.20-137,033.40-32,214.80

Finding the Fourth Proportional to 91,377.20, 137,033.40 and 32,214.80

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Solution

The fourth proportional to 91,377.20, 137,033.40 and 32,214.80 is: 48,310.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,377.20 : 137,033.40 = 32,214.80 : x
  2. Step 2: Convert to fraction form
    91,377.20/137,033.40 = 32,214.80/x
  3. Step 3: Cross multiply
    91,377.20x = 137,033.40 × 32,214.80
  4. Step 4: Simplify right side
    91,377.20x = 4,414,503,574.32
  5. Step 5: Solve for x
    x = 4,414,503,574.32/91,377.20
  6. Step 6: Final answer
    x = 48,310.78

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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.