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Finding the Fourth Proportional to 73,090.80, 109,927.80 and 65,509.20

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Solution

The fourth proportional to 73,090.80, 109,927.80 and 65,509.20 is: 98,525.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,090.80 : 109,927.80 = 65,509.20 : x
  2. Step 2: Convert to fraction form
    73,090.80/109,927.80 = 65,509.20/x
  3. Step 3: Cross multiply
    73,090.80x = 109,927.80 × 65,509.20
  4. Step 4: Simplify right side
    73,090.80x = 7,201,282,235.76
  5. Step 5: Solve for x
    x = 7,201,282,235.76/73,090.80
  6. Step 6: Final answer
    x = 98,525.15

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