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Finding the Fourth Proportional to 85,953.87, 128,930.63 and 48,496.93

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Solution

The fourth proportional to 85,953.87, 128,930.63 and 48,496.93 is: 72,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,953.87 : 128,930.63 = 48,496.93 : x
  2. Step 2: Convert to fraction form
    85,953.87/128,930.63 = 48,496.93/x
  3. Step 3: Cross multiply
    85,953.87x = 128,930.63 × 48,496.93
  4. Step 4: Simplify right side
    85,953.87x = 6,252,739,173.15
  5. Step 5: Solve for x
    x = 6,252,739,173.15/85,953.87
  6. Step 6: Final answer
    x = 72,745.29

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