Home / 78,267.06-117,310.59-33,849.18

Finding the Fourth Proportional to 78,267.06, 117,310.59 and 33,849.18

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Solution

The fourth proportional to 78,267.06, 117,310.59 and 33,849.18 is: 50,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,267.06 : 117,310.59 = 33,849.18 : x
  2. Step 2: Convert to fraction form
    78,267.06/117,310.59 = 33,849.18/x
  3. Step 3: Cross multiply
    78,267.06x = 117,310.59 × 33,849.18
  4. Step 4: Simplify right side
    78,267.06x = 3,970,867,276.82
  5. Step 5: Solve for x
    x = 3,970,867,276.82/78,267.06
  6. Step 6: Final answer
    x = 50,734.85

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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.