Home / 83,209.11-114,810.48-49,219.47

Finding the Fourth Proportional to 83,209.11, 114,810.48 and 49,219.47

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Solution

The fourth proportional to 83,209.11, 114,810.48 and 49,219.47 is: 67,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,209.11 : 114,810.48 = 49,219.47 : x
  2. Step 2: Convert to fraction form
    83,209.11/114,810.48 = 49,219.47/x
  3. Step 3: Cross multiply
    83,209.11x = 114,810.48 × 49,219.47
  4. Step 4: Simplify right side
    83,209.11x = 5,650,910,976.05
  5. Step 5: Solve for x
    x = 5,650,910,976.05/83,209.11
  6. Step 6: Final answer
    x = 67,912.17

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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.