Home / 80,774.91-121,187.09-41,359.91

Finding the Fourth Proportional to 80,774.91, 121,187.09 and 41,359.91

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Solution

The fourth proportional to 80,774.91, 121,187.09 and 41,359.91 is: 62,052.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,774.91 : 121,187.09 = 41,359.91 : x
  2. Step 2: Convert to fraction form
    80,774.91/121,187.09 = 41,359.91/x
  3. Step 3: Cross multiply
    80,774.91x = 121,187.09 × 41,359.91
  4. Step 4: Simplify right side
    80,774.91x = 5,012,286,633.03
  5. Step 5: Solve for x
    x = 5,012,286,633.03/80,774.91
  6. Step 6: Final answer
    x = 62,052.52

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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.