Home / 83,241.75-114,876.45-45,518.43

Finding the Fourth Proportional to 83,241.75, 114,876.45 and 45,518.43

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Solution

The fourth proportional to 83,241.75, 114,876.45 and 45,518.43 is: 62,816.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,241.75 : 114,876.45 = 45,518.43 : x
  2. Step 2: Convert to fraction form
    83,241.75/114,876.45 = 45,518.43/x
  3. Step 3: Cross multiply
    83,241.75x = 114,876.45 × 45,518.43
  4. Step 4: Simplify right side
    83,241.75x = 5,228,995,647.97
  5. Step 5: Solve for x
    x = 5,228,995,647.97/83,241.75
  6. Step 6: Final answer
    x = 62,816.98

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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.