Home / 80,322.32-120,502.56-27,732.24

Finding the Fourth Proportional to 80,322.32, 120,502.56 and 27,732.24

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Solution

The fourth proportional to 80,322.32, 120,502.56 and 27,732.24 is: 41,604.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,322.32 : 120,502.56 = 27,732.24 : x
  2. Step 2: Convert to fraction form
    80,322.32/120,502.56 = 27,732.24/x
  3. Step 3: Cross multiply
    80,322.32x = 120,502.56 × 27,732.24
  4. Step 4: Simplify right side
    80,322.32x = 3,341,805,914.53
  5. Step 5: Solve for x
    x = 3,341,805,914.53/80,322.32
  6. Step 6: Final answer
    x = 41,604.95

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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.