Home / 123,473.01-170,392.74-66,884.37

Finding the Fourth Proportional to 123,473.01, 170,392.74 and 66,884.37

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Solution

The fourth proportional to 123,473.01, 170,392.74 and 66,884.37 is: 92,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,473.01 : 170,392.74 = 66,884.37 : x
  2. Step 2: Convert to fraction form
    123,473.01/170,392.74 = 66,884.37/x
  3. Step 3: Cross multiply
    123,473.01x = 170,392.74 × 66,884.37
  4. Step 4: Simplify right side
    123,473.01x = 11,396,611,067.47
  5. Step 5: Solve for x
    x = 11,396,611,067.47/123,473.01
  6. Step 6: Final answer
    x = 92,300.42

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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.