Home / 106,383.85-159,440.10-56,487.85

Finding the Fourth Proportional to 106,383.85, 159,440.10 and 56,487.85

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Solution

The fourth proportional to 106,383.85, 159,440.10 and 56,487.85 is: 84,659.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,383.85 : 159,440.10 = 56,487.85 : x
  2. Step 2: Convert to fraction form
    106,383.85/159,440.10 = 56,487.85/x
  3. Step 3: Cross multiply
    106,383.85x = 159,440.10 × 56,487.85
  4. Step 4: Simplify right side
    106,383.85x = 9,006,428,452.79
  5. Step 5: Solve for x
    x = 9,006,428,452.79/106,383.85
  6. Step 6: Final answer
    x = 84,659.73

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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.