Home / 77,305.21-115,974.37-23,996.02

Finding the Fourth Proportional to 77,305.21, 115,974.37 and 23,996.02

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Solution

The fourth proportional to 77,305.21, 115,974.37 and 23,996.02 is: 35,999.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,305.21 : 115,974.37 = 23,996.02 : x
  2. Step 2: Convert to fraction form
    77,305.21/115,974.37 = 23,996.02/x
  3. Step 3: Cross multiply
    77,305.21x = 115,974.37 × 23,996.02
  4. Step 4: Simplify right side
    77,305.21x = 2,782,922,892.09
  5. Step 5: Solve for x
    x = 2,782,922,892.09/77,305.21
  6. Step 6: Final answer
    x = 35,999.16

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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.