Home / 104,391.28-156,581.34-36,918.64

Finding the Fourth Proportional to 104,391.28, 156,581.34 and 36,918.64

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Solution

The fourth proportional to 104,391.28, 156,581.34 and 36,918.64 is: 55,375.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,391.28 : 156,581.34 = 36,918.64 : x
  2. Step 2: Convert to fraction form
    104,391.28/156,581.34 = 36,918.64/x
  3. Step 3: Cross multiply
    104,391.28x = 156,581.34 × 36,918.64
  4. Step 4: Simplify right side
    104,391.28x = 5,780,770,122.18
  5. Step 5: Solve for x
    x = 5,780,770,122.18/104,391.28
  6. Step 6: Final answer
    x = 55,375.99

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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.