Home / 55,261.20-82,794.60-45,346.80

Finding the Fourth Proportional to 55,261.20, 82,794.60 and 45,346.80

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Solution

The fourth proportional to 55,261.20, 82,794.60 and 45,346.80 is: 67,940.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,261.20 : 82,794.60 = 45,346.80 : x
  2. Step 2: Convert to fraction form
    55,261.20/82,794.60 = 45,346.80/x
  3. Step 3: Cross multiply
    55,261.20x = 82,794.60 × 45,346.80
  4. Step 4: Simplify right side
    55,261.20x = 3,754,470,167.28
  5. Step 5: Solve for x
    x = 3,754,470,167.28/55,261.20
  6. Step 6: Final answer
    x = 67,940.44

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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.