Home / 111,394.37-167,135.31-49,021.13

Finding the Fourth Proportional to 111,394.37, 167,135.31 and 49,021.13

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Solution

The fourth proportional to 111,394.37, 167,135.31 and 49,021.13 is: 73,550.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,394.37 : 167,135.31 = 49,021.13 : x
  2. Step 2: Convert to fraction form
    111,394.37/167,135.31 = 49,021.13/x
  3. Step 3: Cross multiply
    111,394.37x = 167,135.31 × 49,021.13
  4. Step 4: Simplify right side
    111,394.37x = 8,193,161,759.10
  5. Step 5: Solve for x
    x = 8,193,161,759.10/111,394.37
  6. Step 6: Final answer
    x = 73,550.95

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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.