Home / 104,142.38-156,220.85-41,812.88

Finding the Fourth Proportional to 104,142.38, 156,220.85 and 41,812.88

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Solution

The fourth proportional to 104,142.38, 156,220.85 and 41,812.88 is: 62,722.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,142.38 : 156,220.85 = 41,812.88 : x
  2. Step 2: Convert to fraction form
    104,142.38/156,220.85 = 41,812.88/x
  3. Step 3: Cross multiply
    104,142.38x = 156,220.85 × 41,812.88
  4. Step 4: Simplify right side
    104,142.38x = 6,532,042,977.98
  5. Step 5: Solve for x
    x = 6,532,042,977.98/104,142.38
  6. Step 6: Final answer
    x = 62,722.24

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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.