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Finding the Fourth Proportional to 96,779.63, 133,555.89 and 54,338.16

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Solution

The fourth proportional to 96,779.63, 133,555.89 and 54,338.16 is: 74,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,779.63 : 133,555.89 = 54,338.16 : x
  2. Step 2: Convert to fraction form
    96,779.63/133,555.89 = 54,338.16/x
  3. Step 3: Cross multiply
    96,779.63x = 133,555.89 × 54,338.16
  4. Step 4: Simplify right side
    96,779.63x = 7,257,181,319.76
  5. Step 5: Solve for x
    x = 7,257,181,319.76/96,779.63
  6. Step 6: Final answer
    x = 74,986.67

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