Home / 106,431.28-159,663.33-36,294.19

Finding the Fourth Proportional to 106,431.28, 159,663.33 and 36,294.19

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Solution

The fourth proportional to 106,431.28, 159,663.33 and 36,294.19 is: 54,446.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,431.28 : 159,663.33 = 36,294.19 : x
  2. Step 2: Convert to fraction form
    106,431.28/159,663.33 = 36,294.19/x
  3. Step 3: Cross multiply
    106,431.28x = 159,663.33 × 36,294.19
  4. Step 4: Simplify right side
    106,431.28x = 5,794,850,835.89
  5. Step 5: Solve for x
    x = 5,794,850,835.89/106,431.28
  6. Step 6: Final answer
    x = 54,446.88

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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.