Home / 92,829.15-139,140.04-85,356.09

Finding the Fourth Proportional to 92,829.15, 139,140.04 and 85,356.09

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Solution

The fourth proportional to 92,829.15, 139,140.04 and 85,356.09 is: 127,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,829.15 : 139,140.04 = 85,356.09 : x
  2. Step 2: Convert to fraction form
    92,829.15/139,140.04 = 85,356.09/x
  3. Step 3: Cross multiply
    92,829.15x = 139,140.04 × 85,356.09
  4. Step 4: Simplify right side
    92,829.15x = 11,876,448,654.36
  5. Step 5: Solve for x
    x = 11,876,448,654.36/92,829.15
  6. Step 6: Final answer
    x = 127,938.79

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