Home / 83,481.05-115,203.63-45,241.66

Finding the Fourth Proportional to 83,481.05, 115,203.63 and 45,241.66

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Solution

The fourth proportional to 83,481.05, 115,203.63 and 45,241.66 is: 62,433.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,481.05 : 115,203.63 = 45,241.66 : x
  2. Step 2: Convert to fraction form
    83,481.05/115,203.63 = 45,241.66/x
  3. Step 3: Cross multiply
    83,481.05x = 115,203.63 × 45,241.66
  4. Step 4: Simplify right side
    83,481.05x = 5,212,003,459.23
  5. Step 5: Solve for x
    x = 5,212,003,459.23/83,481.05
  6. Step 6: Final answer
    x = 62,433.37

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1.5x scale

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.