Home / 85,199.22-117,575.37-49,410.45

Finding the Fourth Proportional to 85,199.22, 117,575.37 and 49,410.45

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Solution

The fourth proportional to 85,199.22, 117,575.37 and 49,410.45 is: 68,186.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,199.22 : 117,575.37 = 49,410.45 : x
  2. Step 2: Convert to fraction form
    85,199.22/117,575.37 = 49,410.45/x
  3. Step 3: Cross multiply
    85,199.22x = 117,575.37 × 49,410.45
  4. Step 4: Simplify right side
    85,199.22x = 5,809,451,940.62
  5. Step 5: Solve for x
    x = 5,809,451,940.62/85,199.22
  6. Step 6: Final answer
    x = 68,186.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.