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Finding the Fourth Proportional to 82,783.40, 124,129.74 and 32,812.88

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Solution

The fourth proportional to 82,783.40, 124,129.74 and 32,812.88 is: 49,201.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,783.40 : 124,129.74 = 32,812.88 : x
  2. Step 2: Convert to fraction form
    82,783.40/124,129.74 = 32,812.88/x
  3. Step 3: Cross multiply
    82,783.40x = 124,129.74 × 32,812.88
  4. Step 4: Simplify right side
    82,783.40x = 4,073,054,263.05
  5. Step 5: Solve for x
    x = 4,073,054,263.05/82,783.40
  6. Step 6: Final answer
    x = 49,201.34

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