Home / 80,347.41-120,503.82-32,916

Finding the Fourth Proportional to 80,347.41, 120,503.82 and 32,916

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Solution

The fourth proportional to 80,347.41, 120,503.82 and 32,916 is: 49,366.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,347.41 : 120,503.82 = 32,916 : x
  2. Step 2: Convert to fraction form
    80,347.41/120,503.82 = 32,916/x
  3. Step 3: Cross multiply
    80,347.41x = 120,503.82 × 32,916
  4. Step 4: Simplify right side
    80,347.41x = 3,966,503,739.12
  5. Step 5: Solve for x
    x = 3,966,503,739.12/80,347.41
  6. Step 6: Final answer
    x = 49,366.91

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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.