Home / 80,266.28-110,771.44-48,434.64

Finding the Fourth Proportional to 80,266.28, 110,771.44 and 48,434.64

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Solution

The fourth proportional to 80,266.28, 110,771.44 and 48,434.64 is: 66,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,266.28 : 110,771.44 = 48,434.64 : x
  2. Step 2: Convert to fraction form
    80,266.28/110,771.44 = 48,434.64/x
  3. Step 3: Cross multiply
    80,266.28x = 110,771.44 × 48,434.64
  4. Step 4: Simplify right side
    80,266.28x = 5,365,174,818.68
  5. Step 5: Solve for x
    x = 5,365,174,818.68/80,266.28
  6. Step 6: Final answer
    x = 66,842.20

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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.