Home / 106,475.43-159,811.58-53,921.82

Finding the Fourth Proportional to 106,475.43, 159,811.58 and 53,921.82

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Solution

The fourth proportional to 106,475.43, 159,811.58 and 53,921.82 is: 80,932.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,475.43 : 159,811.58 = 53,921.82 : x
  2. Step 2: Convert to fraction form
    106,475.43/159,811.58 = 53,921.82/x
  3. Step 3: Cross multiply
    106,475.43x = 159,811.58 × 53,921.82
  4. Step 4: Simplify right side
    106,475.43x = 8,617,331,250.68
  5. Step 5: Solve for x
    x = 8,617,331,250.68/106,475.43
  6. Step 6: Final answer
    x = 80,932.58

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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.