Home / 75,638.82-104,380.71-41,646.60

Finding the Fourth Proportional to 75,638.82, 104,380.71 and 41,646.60

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Solution

The fourth proportional to 75,638.82, 104,380.71 and 41,646.60 is: 57,471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,638.82 : 104,380.71 = 41,646.60 : x
  2. Step 2: Convert to fraction form
    75,638.82/104,380.71 = 41,646.60/x
  3. Step 3: Cross multiply
    75,638.82x = 104,380.71 × 41,646.60
  4. Step 4: Simplify right side
    75,638.82x = 4,347,101,677.09
  5. Step 5: Solve for x
    x = 4,347,101,677.09/75,638.82
  6. Step 6: Final answer
    x = 57,471.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.