Home / 76,733.22-115,116.30-43,469.22

Finding the Fourth Proportional to 76,733.22, 115,116.30 and 43,469.22

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Solution

The fourth proportional to 76,733.22, 115,116.30 and 43,469.22 is: 65,213.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,733.22 : 115,116.30 = 43,469.22 : x
  2. Step 2: Convert to fraction form
    76,733.22/115,116.30 = 43,469.22/x
  3. Step 3: Cross multiply
    76,733.22x = 115,116.30 × 43,469.22
  4. Step 4: Simplify right side
    76,733.22x = 5,004,015,770.29
  5. Step 5: Solve for x
    x = 5,004,015,770.29/76,733.22
  6. Step 6: Final answer
    x = 65,213.16

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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.