Home / 103,098.92-154,537.82-67,546.81

Finding the Fourth Proportional to 103,098.92, 154,537.82 and 67,546.81

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Solution

The fourth proportional to 103,098.92, 154,537.82 and 67,546.81 is: 101,247.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,098.92 : 154,537.82 = 67,546.81 : x
  2. Step 2: Convert to fraction form
    103,098.92/154,537.82 = 67,546.81/x
  3. Step 3: Cross multiply
    103,098.92x = 154,537.82 × 67,546.81
  4. Step 4: Simplify right side
    103,098.92x = 10,438,535,654.93
  5. Step 5: Solve for x
    x = 10,438,535,654.93/103,098.92
  6. Step 6: Final answer
    x = 101,247.77

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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.