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Finding the Fourth Proportional to 83,708.16, 115,524.40 and 47,416.08

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Solution

The fourth proportional to 83,708.16, 115,524.40 and 47,416.08 is: 65,438.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,708.16 : 115,524.40 = 47,416.08 : x
  2. Step 2: Convert to fraction form
    83,708.16/115,524.40 = 47,416.08/x
  3. Step 3: Cross multiply
    83,708.16x = 115,524.40 × 47,416.08
  4. Step 4: Simplify right side
    83,708.16x = 5,477,713,955.27
  5. Step 5: Solve for x
    x = 5,477,713,955.27/83,708.16
  6. Step 6: Final answer
    x = 65,438.24

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