Home / 106,786.60-160,131.30-47,591.80

Finding the Fourth Proportional to 106,786.60, 160,131.30 and 47,591.80

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Solution

The fourth proportional to 106,786.60, 160,131.30 and 47,591.80 is: 71,366.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,786.60 : 160,131.30 = 47,591.80 : x
  2. Step 2: Convert to fraction form
    106,786.60/160,131.30 = 47,591.80/x
  3. Step 3: Cross multiply
    106,786.60x = 160,131.30 × 47,591.80
  4. Step 4: Simplify right side
    106,786.60x = 7,620,936,803.34
  5. Step 5: Solve for x
    x = 7,620,936,803.34/106,786.60
  6. Step 6: Final answer
    x = 71,366.04

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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.