Home / 123,323.05-170,185.72-66,734.43

Finding the Fourth Proportional to 123,323.05, 170,185.72 and 66,734.43

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Solution

The fourth proportional to 123,323.05, 170,185.72 and 66,734.43 is: 92,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,323.05 : 170,185.72 = 66,734.43 : x
  2. Step 2: Convert to fraction form
    123,323.05/170,185.72 = 66,734.43/x
  3. Step 3: Cross multiply
    123,323.05x = 170,185.72 × 66,734.43
  4. Step 4: Simplify right side
    123,323.05x = 11,357,245,833.74
  5. Step 5: Solve for x
    x = 11,357,245,833.74/123,323.05
  6. Step 6: Final answer
    x = 92,093.46

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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.