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Finding the Fourth Proportional to 92,785.32, 139,054.05 and 48,318.84

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Solution

The fourth proportional to 92,785.32, 139,054.05 and 48,318.84 is: 72,413.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,785.32 : 139,054.05 = 48,318.84 : x
  2. Step 2: Convert to fraction form
    92,785.32/139,054.05 = 48,318.84/x
  3. Step 3: Cross multiply
    92,785.32x = 139,054.05 × 48,318.84
  4. Step 4: Simplify right side
    92,785.32x = 6,718,930,393.30
  5. Step 5: Solve for x
    x = 6,718,930,393.30/92,785.32
  6. Step 6: Final answer
    x = 72,413.72

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