Home / 68,483.44-102,741.54-21,736.36

Finding the Fourth Proportional to 68,483.44, 102,741.54 and 21,736.36

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Solution

The fourth proportional to 68,483.44, 102,741.54 and 21,736.36 is: 32,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,483.44 : 102,741.54 = 21,736.36 : x
  2. Step 2: Convert to fraction form
    68,483.44/102,741.54 = 21,736.36/x
  3. Step 3: Cross multiply
    68,483.44x = 102,741.54 × 21,736.36
  4. Step 4: Simplify right side
    68,483.44x = 2,233,227,100.39
  5. Step 5: Solve for x
    x = 2,233,227,100.39/68,483.44
  6. Step 6: Final answer
    x = 32,609.74

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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.