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Finding the Fourth Proportional to 77,109.48, 106,393.06 and 43,570.92

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Solution

The fourth proportional to 77,109.48, 106,393.06 and 43,570.92 is: 60,117.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,109.48 : 106,393.06 = 43,570.92 : x
  2. Step 2: Convert to fraction form
    77,109.48/106,393.06 = 43,570.92/x
  3. Step 3: Cross multiply
    77,109.48x = 106,393.06 × 43,570.92
  4. Step 4: Simplify right side
    77,109.48x = 4,635,643,505.82
  5. Step 5: Solve for x
    x = 4,635,643,505.82/77,109.48
  6. Step 6: Final answer
    x = 60,117.69

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