Home / 78,741.82-108,661.75-42,932.53

Finding the Fourth Proportional to 78,741.82, 108,661.75 and 42,932.53

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Solution

The fourth proportional to 78,741.82, 108,661.75 and 42,932.53 is: 59,245.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,741.82 : 108,661.75 = 42,932.53 : x
  2. Step 2: Convert to fraction form
    78,741.82/108,661.75 = 42,932.53/x
  3. Step 3: Cross multiply
    78,741.82x = 108,661.75 × 42,932.53
  4. Step 4: Simplify right side
    78,741.82x = 4,665,124,111.72
  5. Step 5: Solve for x
    x = 4,665,124,111.72/78,741.82
  6. Step 6: Final answer
    x = 59,245.82

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