Home / 55,429.20-83,143.80-52,367.40

Finding the Fourth Proportional to 55,429.20, 83,143.80 and 52,367.40

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Solution

The fourth proportional to 55,429.20, 83,143.80 and 52,367.40 is: 78,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,429.20 : 83,143.80 = 52,367.40 : x
  2. Step 2: Convert to fraction form
    55,429.20/83,143.80 = 52,367.40/x
  3. Step 3: Cross multiply
    55,429.20x = 83,143.80 × 52,367.40
  4. Step 4: Simplify right side
    55,429.20x = 4,354,024,632.12
  5. Step 5: Solve for x
    x = 4,354,024,632.12/55,429.20
  6. Step 6: Final answer
    x = 78,551.10

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