Home / 167,620.76-251,589.12-61,107.69

Finding the Fourth Proportional to 167,620.76, 251,589.12 and 61,107.69

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Solution

The fourth proportional to 167,620.76, 251,589.12 and 61,107.69 is: 91,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,620.76 : 251,589.12 = 61,107.69 : x
  2. Step 2: Convert to fraction form
    167,620.76/251,589.12 = 61,107.69/x
  3. Step 3: Cross multiply
    167,620.76x = 251,589.12 × 61,107.69
  4. Step 4: Simplify right side
    167,620.76x = 15,374,029,952.33
  5. Step 5: Solve for x
    x = 15,374,029,952.33/167,620.76
  6. Step 6: Final answer
    x = 91,719.13

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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.