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Finding the Fourth Proportional to 55,396.40, 83,094.60 and 49,272.80

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Solution

The fourth proportional to 55,396.40, 83,094.60 and 49,272.80 is: 73,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,396.40 : 83,094.60 = 49,272.80 : x
  2. Step 2: Convert to fraction form
    55,396.40/83,094.60 = 49,272.80/x
  3. Step 3: Cross multiply
    55,396.40x = 83,094.60 × 49,272.80
  4. Step 4: Simplify right side
    55,396.40x = 4,094,303,606.88
  5. Step 5: Solve for x
    x = 4,094,303,606.88/55,396.40
  6. Step 6: Final answer
    x = 73,909.20

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