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Finding the Fourth Proportional to 67,298.80, 100,948.20 and 51,552.40

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Solution

The fourth proportional to 67,298.80, 100,948.20 and 51,552.40 is: 77,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,298.80 : 100,948.20 = 51,552.40 : x
  2. Step 2: Convert to fraction form
    67,298.80/100,948.20 = 51,552.40/x
  3. Step 3: Cross multiply
    67,298.80x = 100,948.20 × 51,552.40
  4. Step 4: Simplify right side
    67,298.80x = 5,204,121,985.68
  5. Step 5: Solve for x
    x = 5,204,121,985.68/67,298.80
  6. Step 6: Final answer
    x = 77,328.60

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