Home / 104,118.20-156,131.13-47,944.70

Finding the Fourth Proportional to 104,118.20, 156,131.13 and 47,944.70

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Solution

The fourth proportional to 104,118.20, 156,131.13 and 47,944.70 is: 71,895.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,118.20 : 156,131.13 = 47,944.70 : x
  2. Step 2: Convert to fraction form
    104,118.20/156,131.13 = 47,944.70/x
  3. Step 3: Cross multiply
    104,118.20x = 156,131.13 × 47,944.70
  4. Step 4: Simplify right side
    104,118.20x = 7,485,660,188.51
  5. Step 5: Solve for x
    x = 7,485,660,188.51/104,118.20
  6. Step 6: Final answer
    x = 71,895.79

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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.