Home / 107,318.72-148,100.42-67,055.85

Finding the Fourth Proportional to 107,318.72, 148,100.42 and 67,055.85

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Solution

The fourth proportional to 107,318.72, 148,100.42 and 67,055.85 is: 92,537.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,318.72 : 148,100.42 = 67,055.85 : x
  2. Step 2: Convert to fraction form
    107,318.72/148,100.42 = 67,055.85/x
  3. Step 3: Cross multiply
    107,318.72x = 148,100.42 × 67,055.85
  4. Step 4: Simplify right side
    107,318.72x = 9,930,999,716.10
  5. Step 5: Solve for x
    x = 9,930,999,716.10/107,318.72
  6. Step 6: Final answer
    x = 92,537.44

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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.