Home / 123,738.87-170,759.63-67,150.24

Finding the Fourth Proportional to 123,738.87, 170,759.63 and 67,150.24

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Solution

The fourth proportional to 123,738.87, 170,759.63 and 67,150.24 is: 92,667.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,738.87 : 170,759.63 = 67,150.24 : x
  2. Step 2: Convert to fraction form
    123,738.87/170,759.63 = 67,150.24/x
  3. Step 3: Cross multiply
    123,738.87x = 170,759.63 × 67,150.24
  4. Step 4: Simplify right side
    123,738.87x = 11,466,550,136.81
  5. Step 5: Solve for x
    x = 11,466,550,136.81/123,738.87
  6. Step 6: Final answer
    x = 92,667.33

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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.