Home / 68,105.07-102,155.13-23,731.65

Finding the Fourth Proportional to 68,105.07, 102,155.13 and 23,731.65

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Solution

The fourth proportional to 68,105.07, 102,155.13 and 23,731.65 is: 35,596.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,105.07 : 102,155.13 = 23,731.65 : x
  2. Step 2: Convert to fraction form
    68,105.07/102,155.13 = 23,731.65/x
  3. Step 3: Cross multiply
    68,105.07x = 102,155.13 × 23,731.65
  4. Step 4: Simplify right side
    68,105.07x = 2,424,309,790.86
  5. Step 5: Solve for x
    x = 2,424,309,790.86/68,105.07
  6. Step 6: Final answer
    x = 35,596.61

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1.5x scale

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.