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Finding the Fourth Proportional to 83,649.51, 115,432.29 and 47,843.46

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Solution

The fourth proportional to 83,649.51, 115,432.29 and 47,843.46 is: 66,021.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,649.51 : 115,432.29 = 47,843.46 : x
  2. Step 2: Convert to fraction form
    83,649.51/115,432.29 = 47,843.46/x
  3. Step 3: Cross multiply
    83,649.51x = 115,432.29 × 47,843.46
  4. Step 4: Simplify right side
    83,649.51x = 5,522,680,149.32
  5. Step 5: Solve for x
    x = 5,522,680,149.32/83,649.51
  6. Step 6: Final answer
    x = 66,021.67

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