Home / 104,405.15-156,625.04-34,268.06

Finding the Fourth Proportional to 104,405.15, 156,625.04 and 34,268.06

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Solution

The fourth proportional to 104,405.15, 156,625.04 and 34,268.06 is: 51,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,405.15 : 156,625.04 = 34,268.06 : x
  2. Step 2: Convert to fraction form
    104,405.15/156,625.04 = 34,268.06/x
  3. Step 3: Cross multiply
    104,405.15x = 156,625.04 × 34,268.06
  4. Step 4: Simplify right side
    104,405.15x = 5,367,236,745.46
  5. Step 5: Solve for x
    x = 5,367,236,745.46/104,405.15
  6. Step 6: Final answer
    x = 51,407.78

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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.