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Finding the Fourth Proportional to 67,646.80, 101,470.20 and 30,710.80

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Solution

The fourth proportional to 67,646.80, 101,470.20 and 30,710.80 is: 46,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,646.80 : 101,470.20 = 30,710.80 : x
  2. Step 2: Convert to fraction form
    67,646.80/101,470.20 = 30,710.80/x
  3. Step 3: Cross multiply
    67,646.80x = 101,470.20 × 30,710.80
  4. Step 4: Simplify right side
    67,646.80x = 3,116,231,018.16
  5. Step 5: Solve for x
    x = 3,116,231,018.16/67,646.80
  6. Step 6: Final answer
    x = 46,066.20

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