Home / 77,919.22-116,892.60-25,319.44

Finding the Fourth Proportional to 77,919.22, 116,892.60 and 25,319.44

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Solution

The fourth proportional to 77,919.22, 116,892.60 and 25,319.44 is: 37,983.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,919.22 : 116,892.60 = 25,319.44 : x
  2. Step 2: Convert to fraction form
    77,919.22/116,892.60 = 25,319.44/x
  3. Step 3: Cross multiply
    77,919.22x = 116,892.60 × 25,319.44
  4. Step 4: Simplify right side
    77,919.22x = 2,959,655,172.14
  5. Step 5: Solve for x
    x = 2,959,655,172.14/77,919.22
  6. Step 6: Final answer
    x = 37,983.63

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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.