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Finding the Fourth Proportional to 88,097.70, 121,574.91 and 47,811.47

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Solution

The fourth proportional to 88,097.70, 121,574.91 and 47,811.47 is: 65,979.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,097.70 : 121,574.91 = 47,811.47 : x
  2. Step 2: Convert to fraction form
    88,097.70/121,574.91 = 47,811.47/x
  3. Step 3: Cross multiply
    88,097.70x = 121,574.91 × 47,811.47
  4. Step 4: Simplify right side
    88,097.70x = 5,812,675,162.22
  5. Step 5: Solve for x
    x = 5,812,675,162.22/88,097.70
  6. Step 6: Final answer
    x = 65,979.87

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