Home / 68,005.20-102,007.72-23,631.96

Finding the Fourth Proportional to 68,005.20, 102,007.72 and 23,631.96

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Solution

The fourth proportional to 68,005.20, 102,007.72 and 23,631.96 is: 35,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,005.20 : 102,007.72 = 23,631.96 : x
  2. Step 2: Convert to fraction form
    68,005.20/102,007.72 = 23,631.96/x
  3. Step 3: Cross multiply
    68,005.20x = 102,007.72 × 23,631.96
  4. Step 4: Simplify right side
    68,005.20x = 2,410,642,005.74
  5. Step 5: Solve for x
    x = 2,410,642,005.74/68,005.20
  6. Step 6: Final answer
    x = 35,447.91

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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.