Home / 80,405.66-110,887.18-50,193.77

Finding the Fourth Proportional to 80,405.66, 110,887.18 and 50,193.77

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Solution

The fourth proportional to 80,405.66, 110,887.18 and 50,193.77 is: 69,222.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,405.66 : 110,887.18 = 50,193.77 : x
  2. Step 2: Convert to fraction form
    80,405.66/110,887.18 = 50,193.77/x
  3. Step 3: Cross multiply
    80,405.66x = 110,887.18 × 50,193.77
  4. Step 4: Simplify right side
    80,405.66x = 5,565,845,357.90
  5. Step 5: Solve for x
    x = 5,565,845,357.90/80,405.66
  6. Step 6: Final answer
    x = 69,222.06

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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.