Home / 109,789.83-151,508.07-66,753.72

Finding the Fourth Proportional to 109,789.83, 151,508.07 and 66,753.72

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Solution

The fourth proportional to 109,789.83, 151,508.07 and 66,753.72 is: 92,118.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,789.83 : 151,508.07 = 66,753.72 : x
  2. Step 2: Convert to fraction form
    109,789.83/151,508.07 = 66,753.72/x
  3. Step 3: Cross multiply
    109,789.83x = 151,508.07 × 66,753.72
  4. Step 4: Simplify right side
    109,789.83x = 10,113,727,282.52
  5. Step 5: Solve for x
    x = 10,113,727,282.52/109,789.83
  6. Step 6: Final answer
    x = 92,118.98

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