Home / 123,513.06-170,447.55-66,924.60

Finding the Fourth Proportional to 123,513.06, 170,447.55 and 66,924.60

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Solution

The fourth proportional to 123,513.06, 170,447.55 and 66,924.60 is: 92,355.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,513.06 : 170,447.55 = 66,924.60 : x
  2. Step 2: Convert to fraction form
    123,513.06/170,447.55 = 66,924.60/x
  3. Step 3: Cross multiply
    123,513.06x = 170,447.55 × 66,924.60
  4. Step 4: Simplify right side
    123,513.06x = 11,407,134,104.73
  5. Step 5: Solve for x
    x = 11,407,134,104.73/123,513.06
  6. Step 6: Final answer
    x = 92,355.69

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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.