Home / 68,635.32-102,996.72-29,192.38

Finding the Fourth Proportional to 68,635.32, 102,996.72 and 29,192.38

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Solution

The fourth proportional to 68,635.32, 102,996.72 and 29,192.38 is: 43,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,635.32 : 102,996.72 = 29,192.38 : x
  2. Step 2: Convert to fraction form
    68,635.32/102,996.72 = 29,192.38/x
  3. Step 3: Cross multiply
    68,635.32x = 102,996.72 × 29,192.38
  4. Step 4: Simplify right side
    68,635.32x = 3,006,719,388.99
  5. Step 5: Solve for x
    x = 3,006,719,388.99/68,635.32
  6. Step 6: Final answer
    x = 43,807.17

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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.