Home / 80,035.36-110,317.08-56,759.56

Finding the Fourth Proportional to 80,035.36, 110,317.08 and 56,759.56

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Solution

The fourth proportional to 80,035.36, 110,317.08 and 56,759.56 is: 78,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,035.36 : 110,317.08 = 56,759.56 : x
  2. Step 2: Convert to fraction form
    80,035.36/110,317.08 = 56,759.56/x
  3. Step 3: Cross multiply
    80,035.36x = 110,317.08 × 56,759.56
  4. Step 4: Simplify right side
    80,035.36x = 6,261,548,921.28
  5. Step 5: Solve for x
    x = 6,261,548,921.28/80,035.36
  6. Step 6: Final answer
    x = 78,234.78

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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.