Home / 83,201.48-114,809.09-49,211.18

Finding the Fourth Proportional to 83,201.48, 114,809.09 and 49,211.18

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Solution

The fourth proportional to 83,201.48, 114,809.09 and 49,211.18 is: 67,906.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,201.48 : 114,809.09 = 49,211.18 : x
  2. Step 2: Convert to fraction form
    83,201.48/114,809.09 = 49,211.18/x
  3. Step 3: Cross multiply
    83,201.48x = 114,809.09 × 49,211.18
  4. Step 4: Simplify right side
    83,201.48x = 5,649,889,973.52
  5. Step 5: Solve for x
    x = 5,649,889,973.52/83,201.48
  6. Step 6: Final answer
    x = 67,906.13

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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.