Home / 55,778.66-83,578.78-50,113.64

Finding the Fourth Proportional to 55,778.66, 83,578.78 and 50,113.64

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Solution

The fourth proportional to 55,778.66, 83,578.78 and 50,113.64 is: 75,090.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,778.66 : 83,578.78 = 50,113.64 : x
  2. Step 2: Convert to fraction form
    55,778.66/83,578.78 = 50,113.64/x
  3. Step 3: Cross multiply
    55,778.66x = 83,578.78 × 50,113.64
  4. Step 4: Simplify right side
    55,778.66x = 4,188,436,892.56
  5. Step 5: Solve for x
    x = 4,188,436,892.56/55,778.66
  6. Step 6: Final answer
    x = 75,090.31

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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.