Home / 123,738.74-170,759.46-67,150.12

Finding the Fourth Proportional to 123,738.74, 170,759.46 and 67,150.12

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Solution

The fourth proportional to 123,738.74, 170,759.46 and 67,150.12 is: 92,667.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,738.74 : 170,759.46 = 67,150.12 : x
  2. Step 2: Convert to fraction form
    123,738.74/170,759.46 = 67,150.12/x
  3. Step 3: Cross multiply
    123,738.74x = 170,759.46 × 67,150.12
  4. Step 4: Simplify right side
    123,738.74x = 11,466,517,040.59
  5. Step 5: Solve for x
    x = 11,466,517,040.59/123,738.74
  6. Step 6: Final answer
    x = 92,667.16

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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.