Home / 123,682.09-170,680.97-67,093.46

Finding the Fourth Proportional to 123,682.09, 170,680.97 and 67,093.46

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Solution

The fourth proportional to 123,682.09, 170,680.97 and 67,093.46 is: 92,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,682.09 : 170,680.97 = 67,093.46 : x
  2. Step 2: Convert to fraction form
    123,682.09/170,680.97 = 67,093.46/x
  3. Step 3: Cross multiply
    123,682.09x = 170,680.97 × 67,093.46
  4. Step 4: Simplify right side
    123,682.09x = 11,451,577,747.92
  5. Step 5: Solve for x
    x = 11,451,577,747.92/123,682.09
  6. Step 6: Final answer
    x = 92,588.81

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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.