Home / 80,564.40-120,846.60-50,626.80

Finding the Fourth Proportional to 80,564.40, 120,846.60 and 50,626.80

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Solution

The fourth proportional to 80,564.40, 120,846.60 and 50,626.80 is: 75,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,564.40 : 120,846.60 = 50,626.80 : x
  2. Step 2: Convert to fraction form
    80,564.40/120,846.60 = 50,626.80/x
  3. Step 3: Cross multiply
    80,564.40x = 120,846.60 × 50,626.80
  4. Step 4: Simplify right side
    80,564.40x = 6,118,076,648.88
  5. Step 5: Solve for x
    x = 6,118,076,648.88/80,564.40
  6. Step 6: Final answer
    x = 75,940.20

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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.