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Finding the Fourth Proportional to 97,443.60, 134,534.70 and 79,581.48

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Solution

The fourth proportional to 97,443.60, 134,534.70 and 79,581.48 is: 109,873.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,443.60 : 134,534.70 = 79,581.48 : x
  2. Step 2: Convert to fraction form
    97,443.60/134,534.70 = 79,581.48/x
  3. Step 3: Cross multiply
    97,443.60x = 134,534.70 × 79,581.48
  4. Step 4: Simplify right side
    97,443.60x = 10,706,470,537.36
  5. Step 5: Solve for x
    x = 10,706,470,537.36/97,443.60
  6. Step 6: Final answer
    x = 109,873.51

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