Home / 83,367.08-115,102.26-49,386.56

Finding the Fourth Proportional to 83,367.08, 115,102.26 and 49,386.56

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Solution

The fourth proportional to 83,367.08, 115,102.26 and 49,386.56 is: 68,186.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,367.08 : 115,102.26 = 49,386.56 : x
  2. Step 2: Convert to fraction form
    83,367.08/115,102.26 = 49,386.56/x
  3. Step 3: Cross multiply
    83,367.08x = 115,102.26 × 49,386.56
  4. Step 4: Simplify right side
    83,367.08x = 5,684,504,669.63
  5. Step 5: Solve for x
    x = 5,684,504,669.63/83,367.08
  6. Step 6: Final answer
    x = 68,186.44

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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.