Home / 106,631.52-159,971.85-56,759.69

Finding the Fourth Proportional to 106,631.52, 159,971.85 and 56,759.69

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Solution

The fourth proportional to 106,631.52, 159,971.85 and 56,759.69 is: 85,152.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,631.52 : 159,971.85 = 56,759.69 : x
  2. Step 2: Convert to fraction form
    106,631.52/159,971.85 = 56,759.69/x
  3. Step 3: Cross multiply
    106,631.52x = 159,971.85 × 56,759.69
  4. Step 4: Simplify right side
    106,631.52x = 9,079,951,814.87
  5. Step 5: Solve for x
    x = 9,079,951,814.87/106,631.52
  6. Step 6: Final answer
    x = 85,152.61

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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.