Home / 58,219.11-80,372.94-39,198.90

Finding the Fourth Proportional to 58,219.11, 80,372.94 and 39,198.90

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Solution

The fourth proportional to 58,219.11, 80,372.94 and 39,198.90 is: 54,115.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,219.11 : 80,372.94 = 39,198.90 : x
  2. Step 2: Convert to fraction form
    58,219.11/80,372.94 = 39,198.90/x
  3. Step 3: Cross multiply
    58,219.11x = 80,372.94 × 39,198.90
  4. Step 4: Simplify right side
    58,219.11x = 3,150,530,837.77
  5. Step 5: Solve for x
    x = 3,150,530,837.77/58,219.11
  6. Step 6: Final answer
    x = 54,115.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.