Home / 68,141.10-102,175.20-23,769.30

Finding the Fourth Proportional to 68,141.10, 102,175.20 and 23,769.30

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Solution

The fourth proportional to 68,141.10, 102,175.20 and 23,769.30 is: 35,641.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,141.10 : 102,175.20 = 23,769.30 : x
  2. Step 2: Convert to fraction form
    68,141.10/102,175.20 = 23,769.30/x
  3. Step 3: Cross multiply
    68,141.10x = 102,175.20 × 23,769.30
  4. Step 4: Simplify right side
    68,141.10x = 2,428,632,981.36
  5. Step 5: Solve for x
    x = 2,428,632,981.36/68,141.10
  6. Step 6: Final answer
    x = 35,641.24

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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.