Home / 110,965.56-153,135.45-67,944.12

Finding the Fourth Proportional to 110,965.56, 153,135.45 and 67,944.12

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Solution

The fourth proportional to 110,965.56, 153,135.45 and 67,944.12 is: 93,764.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,965.56 : 153,135.45 = 67,944.12 : x
  2. Step 2: Convert to fraction form
    110,965.56/153,135.45 = 67,944.12/x
  3. Step 3: Cross multiply
    110,965.56x = 153,135.45 × 67,944.12
  4. Step 4: Simplify right side
    110,965.56x = 10,404,653,391.05
  5. Step 5: Solve for x
    x = 10,404,653,391.05/110,965.56
  6. Step 6: Final answer
    x = 93,764.71

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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.