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Finding the Fourth Proportional to 55,383.40, 83,075.10 and 49,259.80

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Solution

The fourth proportional to 55,383.40, 83,075.10 and 49,259.80 is: 73,889.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,383.40 : 83,075.10 = 49,259.80 : x
  2. Step 2: Convert to fraction form
    55,383.40/83,075.10 = 49,259.80/x
  3. Step 3: Cross multiply
    55,383.40x = 83,075.10 × 49,259.80
  4. Step 4: Simplify right side
    55,383.40x = 4,092,262,810.98
  5. Step 5: Solve for x
    x = 4,092,262,810.98/55,383.40
  6. Step 6: Final answer
    x = 73,889.70

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