Home / 106,975.38-147,625.96-59,231.75

Finding the Fourth Proportional to 106,975.38, 147,625.96 and 59,231.75

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Solution

The fourth proportional to 106,975.38, 147,625.96 and 59,231.75 is: 81,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,975.38 : 147,625.96 = 59,231.75 : x
  2. Step 2: Convert to fraction form
    106,975.38/147,625.96 = 59,231.75/x
  3. Step 3: Cross multiply
    106,975.38x = 147,625.96 × 59,231.75
  4. Step 4: Simplify right side
    106,975.38x = 8,744,143,660.07
  5. Step 5: Solve for x
    x = 8,744,143,660.07/106,975.38
  6. Step 6: Final answer
    x = 81,739.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.