Home / 115,326.20-172,994.70-36,446.60

Finding the Fourth Proportional to 115,326.20, 172,994.70 and 36,446.60

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Solution

The fourth proportional to 115,326.20, 172,994.70 and 36,446.60 is: 54,671.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,326.20 : 172,994.70 = 36,446.60 : x
  2. Step 2: Convert to fraction form
    115,326.20/172,994.70 = 36,446.60/x
  3. Step 3: Cross multiply
    115,326.20x = 172,994.70 × 36,446.60
  4. Step 4: Simplify right side
    115,326.20x = 6,305,068,633.02
  5. Step 5: Solve for x
    x = 6,305,068,633.02/115,326.20
  6. Step 6: Final answer
    x = 54,671.61

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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.