Home / 68,002.20-102,003.30-63,595.80

Finding the Fourth Proportional to 68,002.20, 102,003.30 and 63,595.80

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Solution

The fourth proportional to 68,002.20, 102,003.30 and 63,595.80 is: 95,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,002.20 : 102,003.30 = 63,595.80 : x
  2. Step 2: Convert to fraction form
    68,002.20/102,003.30 = 63,595.80/x
  3. Step 3: Cross multiply
    68,002.20x = 102,003.30 × 63,595.80
  4. Step 4: Simplify right side
    68,002.20x = 6,486,981,466.14
  5. Step 5: Solve for x
    x = 6,486,981,466.14/68,002.20
  6. Step 6: Final answer
    x = 95,393.70

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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.