Home / 123,725.82-170,744.94-67,137.24

Finding the Fourth Proportional to 123,725.82, 170,744.94 and 67,137.24

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Solution

The fourth proportional to 123,725.82, 170,744.94 and 67,137.24 is: 92,651.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,725.82 : 170,744.94 = 67,137.24 : x
  2. Step 2: Convert to fraction form
    123,725.82/170,744.94 = 67,137.24/x
  3. Step 3: Cross multiply
    123,725.82x = 170,744.94 × 67,137.24
  4. Step 4: Simplify right side
    123,725.82x = 11,463,344,015.57
  5. Step 5: Solve for x
    x = 11,463,344,015.57/123,725.82
  6. Step 6: Final answer
    x = 92,651.19

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1.5x scale

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.