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Finding the Fourth Proportional to 83,415.34, 115,114.67 and 45,687.16

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Solution

The fourth proportional to 83,415.34, 115,114.67 and 45,687.16 is: 63,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,415.34 : 115,114.67 = 45,687.16 : x
  2. Step 2: Convert to fraction form
    83,415.34/115,114.67 = 45,687.16/x
  3. Step 3: Cross multiply
    83,415.34x = 115,114.67 × 45,687.16
  4. Step 4: Simplify right side
    83,415.34x = 5,259,262,346.64
  5. Step 5: Solve for x
    x = 5,259,262,346.64/83,415.34
  6. Step 6: Final answer
    x = 63,049.10

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