Home / 95,891.20-144,009.60-92,780.80

Finding the Fourth Proportional to 95,891.20, 144,009.60 and 92,780.80

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Solution

The fourth proportional to 95,891.20, 144,009.60 and 92,780.80 is: 139,338.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,891.20 : 144,009.60 = 92,780.80 : x
  2. Step 2: Convert to fraction form
    95,891.20/144,009.60 = 92,780.80/x
  3. Step 3: Cross multiply
    95,891.20x = 144,009.60 × 92,780.80
  4. Step 4: Simplify right side
    95,891.20x = 13,361,325,895.68
  5. Step 5: Solve for x
    x = 13,361,325,895.68/95,891.20
  6. Step 6: Final answer
    x = 139,338.39

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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.