Home / 104,247-155,976.84-64,618.56

Finding the Fourth Proportional to 104,247, 155,976.84 and 64,618.56

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Solution

The fourth proportional to 104,247, 155,976.84 and 64,618.56 is: 96,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,247 : 155,976.84 = 64,618.56 : x
  2. Step 2: Convert to fraction form
    104,247/155,976.84 = 64,618.56/x
  3. Step 3: Cross multiply
    104,247x = 155,976.84 × 64,618.56
  4. Step 4: Simplify right side
    104,247x = 10,078,998,794.15
  5. Step 5: Solve for x
    x = 10,078,998,794.15/104,247
  6. Step 6: Final answer
    x = 96,683.83

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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.