Home / 80,625.46-120,896.72-36,214.10

Finding the Fourth Proportional to 80,625.46, 120,896.72 and 36,214.10

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Solution

The fourth proportional to 80,625.46, 120,896.72 and 36,214.10 is: 54,302.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,625.46 : 120,896.72 = 36,214.10 : x
  2. Step 2: Convert to fraction form
    80,625.46/120,896.72 = 36,214.10/x
  3. Step 3: Cross multiply
    80,625.46x = 120,896.72 × 36,214.10
  4. Step 4: Simplify right side
    80,625.46x = 4,378,165,907.75
  5. Step 5: Solve for x
    x = 4,378,165,907.75/80,625.46
  6. Step 6: Final answer
    x = 54,302.52

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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.