Home / 111,394.62-167,135.69-49,021.38

Finding the Fourth Proportional to 111,394.62, 167,135.69 and 49,021.38

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Solution

The fourth proportional to 111,394.62, 167,135.69 and 49,021.38 is: 73,551.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,394.62 : 167,135.69 = 49,021.38 : x
  2. Step 2: Convert to fraction form
    111,394.62/167,135.69 = 49,021.38/x
  3. Step 3: Cross multiply
    111,394.62x = 167,135.69 × 49,021.38
  4. Step 4: Simplify right side
    111,394.62x = 8,193,221,925.95
  5. Step 5: Solve for x
    x = 8,193,221,925.95/111,394.62
  6. Step 6: Final answer
    x = 73,551.33

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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.