Home / 104,664.60-156,948.30-45,469.80

Finding the Fourth Proportional to 104,664.60, 156,948.30 and 45,469.80

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Solution

The fourth proportional to 104,664.60, 156,948.30 and 45,469.80 is: 68,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,664.60 : 156,948.30 = 45,469.80 : x
  2. Step 2: Convert to fraction form
    104,664.60/156,948.30 = 45,469.80/x
  3. Step 3: Cross multiply
    104,664.60x = 156,948.30 × 45,469.80
  4. Step 4: Simplify right side
    104,664.60x = 7,136,407,811.34
  5. Step 5: Solve for x
    x = 7,136,407,811.34/104,664.60
  6. Step 6: Final answer
    x = 68,183.59

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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.