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Finding the Fourth Proportional to 77,050.80, 115,576.56 and 32,666.40

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Solution

The fourth proportional to 77,050.80, 115,576.56 and 32,666.40 is: 48,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,050.80 : 115,576.56 = 32,666.40 : x
  2. Step 2: Convert to fraction form
    77,050.80/115,576.56 = 32,666.40/x
  3. Step 3: Cross multiply
    77,050.80x = 115,576.56 × 32,666.40
  4. Step 4: Simplify right side
    77,050.80x = 3,775,470,139.58
  5. Step 5: Solve for x
    x = 3,775,470,139.58/77,050.80
  6. Step 6: Final answer
    x = 48,999.75

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