Home / 85,117.12-117,462.44-47,392.18

Finding the Fourth Proportional to 85,117.12, 117,462.44 and 47,392.18

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Solution

The fourth proportional to 85,117.12, 117,462.44 and 47,392.18 is: 65,401.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,117.12 : 117,462.44 = 47,392.18 : x
  2. Step 2: Convert to fraction form
    85,117.12/117,462.44 = 47,392.18/x
  3. Step 3: Cross multiply
    85,117.12x = 117,462.44 × 47,392.18
  4. Step 4: Simplify right side
    85,117.12x = 5,566,801,099.72
  5. Step 5: Solve for x
    x = 5,566,801,099.72/85,117.12
  6. Step 6: Final answer
    x = 65,401.66

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