Home / 111,263.21-166,855.52-48,080.78

Finding the Fourth Proportional to 111,263.21, 166,855.52 and 48,080.78

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Solution

The fourth proportional to 111,263.21, 166,855.52 and 48,080.78 is: 72,104.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,263.21 : 166,855.52 = 48,080.78 : x
  2. Step 2: Convert to fraction form
    111,263.21/166,855.52 = 48,080.78/x
  3. Step 3: Cross multiply
    111,263.21x = 166,855.52 × 48,080.78
  4. Step 4: Simplify right side
    111,263.21x = 8,022,542,474.22
  5. Step 5: Solve for x
    x = 8,022,542,474.22/111,263.21
  6. Step 6: Final answer
    x = 72,104.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.