Home / 75,201.08-112,801.77-30,819.86

Finding the Fourth Proportional to 75,201.08, 112,801.77 and 30,819.86

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Solution

The fourth proportional to 75,201.08, 112,801.77 and 30,819.86 is: 46,229.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,201.08 : 112,801.77 = 30,819.86 : x
  2. Step 2: Convert to fraction form
    75,201.08/112,801.77 = 30,819.86/x
  3. Step 3: Cross multiply
    75,201.08x = 112,801.77 × 30,819.86
  4. Step 4: Simplify right side
    75,201.08x = 3,476,534,759.15
  5. Step 5: Solve for x
    x = 3,476,534,759.15/75,201.08
  6. Step 6: Final answer
    x = 46,229.85

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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.