Home / 104,042.94-156,321.09-66,619.14

Finding the Fourth Proportional to 104,042.94, 156,321.09 and 66,619.14

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Solution

The fourth proportional to 104,042.94, 156,321.09 and 66,619.14 is: 100,093.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,042.94 : 156,321.09 = 66,619.14 : x
  2. Step 2: Convert to fraction form
    104,042.94/156,321.09 = 66,619.14/x
  3. Step 3: Cross multiply
    104,042.94x = 156,321.09 × 66,619.14
  4. Step 4: Simplify right side
    104,042.94x = 10,413,976,579.66
  5. Step 5: Solve for x
    x = 10,413,976,579.66/104,042.94
  6. Step 6: Final answer
    x = 100,093.06

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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.