Home / 80,625.46-120,896.71-36,214.11

Finding the Fourth Proportional to 80,625.46, 120,896.71 and 36,214.11

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Solution

The fourth proportional to 80,625.46, 120,896.71 and 36,214.11 is: 54,302.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,625.46 : 120,896.71 = 36,214.11 : x
  2. Step 2: Convert to fraction form
    80,625.46/120,896.71 = 36,214.11/x
  3. Step 3: Cross multiply
    80,625.46x = 120,896.71 × 36,214.11
  4. Step 4: Simplify right side
    80,625.46x = 4,378,166,754.58
  5. Step 5: Solve for x
    x = 4,378,166,754.58/80,625.46
  6. Step 6: Final answer
    x = 54,302.53

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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.