Home / 123,524.48-170,464.60-66,936.32

Finding the Fourth Proportional to 123,524.48, 170,464.60 and 66,936.32

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Solution

The fourth proportional to 123,524.48, 170,464.60 and 66,936.32 is: 92,372.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,524.48 : 170,464.60 = 66,936.32 : x
  2. Step 2: Convert to fraction form
    123,524.48/170,464.60 = 66,936.32/x
  3. Step 3: Cross multiply
    123,524.48x = 170,464.60 × 66,936.32
  4. Step 4: Simplify right side
    123,524.48x = 11,410,273,014.27
  5. Step 5: Solve for x
    x = 11,410,273,014.27/123,524.48
  6. Step 6: Final answer
    x = 92,372.56

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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.