Home / 107,958.35-148,942.40-62,610.91

Finding the Fourth Proportional to 107,958.35, 148,942.40 and 62,610.91

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Solution

The fourth proportional to 107,958.35, 148,942.40 and 62,610.91 is: 86,379.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,958.35 : 148,942.40 = 62,610.91 : x
  2. Step 2: Convert to fraction form
    107,958.35/148,942.40 = 62,610.91/x
  3. Step 3: Cross multiply
    107,958.35x = 148,942.40 × 62,610.91
  4. Step 4: Simplify right side
    107,958.35x = 9,325,418,516.17
  5. Step 5: Solve for x
    x = 9,325,418,516.17/107,958.35
  6. Step 6: Final answer
    x = 86,379.78

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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.