Home / 123,939.23-171,037.22-67,350.60

Finding the Fourth Proportional to 123,939.23, 171,037.22 and 67,350.60

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Solution

The fourth proportional to 123,939.23, 171,037.22 and 67,350.60 is: 92,944.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,939.23 : 171,037.22 = 67,350.60 : x
  2. Step 2: Convert to fraction form
    123,939.23/171,037.22 = 67,350.60/x
  3. Step 3: Cross multiply
    123,939.23x = 171,037.22 × 67,350.60
  4. Step 4: Simplify right side
    123,939.23x = 11,519,459,052.58
  5. Step 5: Solve for x
    x = 11,519,459,052.58/123,939.23
  6. Step 6: Final answer
    x = 92,944.42

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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.