Home / 68,589.14-102,902.20-28,594.83

Finding the Fourth Proportional to 68,589.14, 102,902.20 and 28,594.83

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Solution

The fourth proportional to 68,589.14, 102,902.20 and 28,594.83 is: 42,899.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,589.14 : 102,902.20 = 28,594.83 : x
  2. Step 2: Convert to fraction form
    68,589.14/102,902.20 = 28,594.83/x
  3. Step 3: Cross multiply
    68,589.14x = 102,902.20 × 28,594.83
  4. Step 4: Simplify right side
    68,589.14x = 2,942,470,940.61
  5. Step 5: Solve for x
    x = 2,942,470,940.61/68,589.14
  6. Step 6: Final answer
    x = 42,899.96

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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.