Home / 80,840.44-111,555.48-44,540.76

Finding the Fourth Proportional to 80,840.44, 111,555.48 and 44,540.76

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Solution

The fourth proportional to 80,840.44, 111,555.48 and 44,540.76 is: 61,463.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,840.44 : 111,555.48 = 44,540.76 : x
  2. Step 2: Convert to fraction form
    80,840.44/111,555.48 = 44,540.76/x
  3. Step 3: Cross multiply
    80,840.44x = 111,555.48 × 44,540.76
  4. Step 4: Simplify right side
    80,840.44x = 4,968,765,861.36
  5. Step 5: Solve for x
    x = 4,968,765,861.36/80,840.44
  6. Step 6: Final answer
    x = 61,463.86

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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.