Home / 75,630.03-104,365.38-41,631.90

Finding the Fourth Proportional to 75,630.03, 104,365.38 and 41,631.90

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Solution

The fourth proportional to 75,630.03, 104,365.38 and 41,631.90 is: 57,449.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,630.03 : 104,365.38 = 41,631.90 : x
  2. Step 2: Convert to fraction form
    75,630.03/104,365.38 = 41,631.90/x
  3. Step 3: Cross multiply
    75,630.03x = 104,365.38 × 41,631.90
  4. Step 4: Simplify right side
    75,630.03x = 4,344,929,063.62
  5. Step 5: Solve for x
    x = 4,344,929,063.62/75,630.03
  6. Step 6: Final answer
    x = 57,449.79

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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.