Home / 83,422.08-115,121.73-45,696.33

Finding the Fourth Proportional to 83,422.08, 115,121.73 and 45,696.33

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Solution

The fourth proportional to 83,422.08, 115,121.73 and 45,696.33 is: 63,060.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,422.08 : 115,121.73 = 45,696.33 : x
  2. Step 2: Convert to fraction form
    83,422.08/115,121.73 = 45,696.33/x
  3. Step 3: Cross multiply
    83,422.08x = 115,121.73 × 45,696.33
  4. Step 4: Simplify right side
    83,422.08x = 5,260,640,564.25
  5. Step 5: Solve for x
    x = 5,260,640,564.25/83,422.08
  6. Step 6: Final answer
    x = 63,060.53

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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.