Home / 80,936.20-121,404.30-62,252.20

Finding the Fourth Proportional to 80,936.20, 121,404.30 and 62,252.20

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Solution

The fourth proportional to 80,936.20, 121,404.30 and 62,252.20 is: 93,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,936.20 : 121,404.30 = 62,252.20 : x
  2. Step 2: Convert to fraction form
    80,936.20/121,404.30 = 62,252.20/x
  3. Step 3: Cross multiply
    80,936.20x = 121,404.30 × 62,252.20
  4. Step 4: Simplify right side
    80,936.20x = 7,557,684,764.46
  5. Step 5: Solve for x
    x = 7,557,684,764.46/80,936.20
  6. Step 6: Final answer
    x = 93,378.30

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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.