Home / 68,582.20-102,855.30-29,119

Finding the Fourth Proportional to 68,582.20, 102,855.30 and 29,119

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Solution

The fourth proportional to 68,582.20, 102,855.30 and 29,119 is: 43,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,582.20 : 102,855.30 = 29,119 : x
  2. Step 2: Convert to fraction form
    68,582.20/102,855.30 = 29,119/x
  3. Step 3: Cross multiply
    68,582.20x = 102,855.30 × 29,119
  4. Step 4: Simplify right side
    68,582.20x = 2,995,043,480.70
  5. Step 5: Solve for x
    x = 2,995,043,480.70/68,582.20
  6. Step 6: Final answer
    x = 43,670.86

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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.