Home / 68,550.10-102,832.44-21,792.04

Finding the Fourth Proportional to 68,550.10, 102,832.44 and 21,792.04

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Solution

The fourth proportional to 68,550.10, 102,832.44 and 21,792.04 is: 32,690.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,550.10 : 102,832.44 = 21,792.04 : x
  2. Step 2: Convert to fraction form
    68,550.10/102,832.44 = 21,792.04/x
  3. Step 3: Cross multiply
    68,550.10x = 102,832.44 × 21,792.04
  4. Step 4: Simplify right side
    68,550.10x = 2,240,928,645.78
  5. Step 5: Solve for x
    x = 2,240,928,645.78/68,550.10
  6. Step 6: Final answer
    x = 32,690.38

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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.