Home / 75,198.22-112,784.67-35,221.39

Finding the Fourth Proportional to 75,198.22, 112,784.67 and 35,221.39

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Solution

The fourth proportional to 75,198.22, 112,784.67 and 35,221.39 is: 52,826.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,198.22 : 112,784.67 = 35,221.39 : x
  2. Step 2: Convert to fraction form
    75,198.22/112,784.67 = 35,221.39/x
  3. Step 3: Cross multiply
    75,198.22x = 112,784.67 × 35,221.39
  4. Step 4: Simplify right side
    75,198.22x = 3,972,432,848.09
  5. Step 5: Solve for x
    x = 3,972,432,848.09/75,198.22
  6. Step 6: Final answer
    x = 52,826.16

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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.