Home / 104,212.60-156,200.78-47,936.53

Finding the Fourth Proportional to 104,212.60, 156,200.78 and 47,936.53

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Solution

The fourth proportional to 104,212.60, 156,200.78 and 47,936.53 is: 71,850.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,212.60 : 156,200.78 = 47,936.53 : x
  2. Step 2: Convert to fraction form
    104,212.60/156,200.78 = 47,936.53/x
  3. Step 3: Cross multiply
    104,212.60x = 156,200.78 × 47,936.53
  4. Step 4: Simplify right side
    104,212.60x = 7,487,723,996.08
  5. Step 5: Solve for x
    x = 7,487,723,996.08/104,212.60
  6. Step 6: Final answer
    x = 71,850.47

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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.