Home / 77,961.44-107,515-51,094.16

Finding the Fourth Proportional to 77,961.44, 107,515 and 51,094.16

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Solution

The fourth proportional to 77,961.44, 107,515 and 51,094.16 is: 70,462.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,961.44 : 107,515 = 51,094.16 : x
  2. Step 2: Convert to fraction form
    77,961.44/107,515 = 51,094.16/x
  3. Step 3: Cross multiply
    77,961.44x = 107,515 × 51,094.16
  4. Step 4: Simplify right side
    77,961.44x = 5,493,388,612.40
  5. Step 5: Solve for x
    x = 5,493,388,612.40/77,961.44
  6. Step 6: Final answer
    x = 70,462.89

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