Home / 69,447.56-95,832.66-40,768.40

Finding the Fourth Proportional to 69,447.56, 95,832.66 and 40,768.40

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Solution

The fourth proportional to 69,447.56, 95,832.66 and 40,768.40 is: 56,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,447.56 : 95,832.66 = 40,768.40 : x
  2. Step 2: Convert to fraction form
    69,447.56/95,832.66 = 40,768.40/x
  3. Step 3: Cross multiply
    69,447.56x = 95,832.66 × 40,768.40
  4. Step 4: Simplify right side
    69,447.56x = 3,906,943,736.78
  5. Step 5: Solve for x
    x = 3,906,943,736.78/69,447.56
  6. Step 6: Final answer
    x = 56,257.47

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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.