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Finding the Fourth Proportional to 52,453.99, 78,749.57 and 31,145.59

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Solution

The fourth proportional to 52,453.99, 78,749.57 and 31,145.59 is: 46,759.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,453.99 : 78,749.57 = 31,145.59 : x
  2. Step 2: Convert to fraction form
    52,453.99/78,749.57 = 31,145.59/x
  3. Step 3: Cross multiply
    52,453.99x = 78,749.57 × 31,145.59
  4. Step 4: Simplify right side
    52,453.99x = 2,452,701,270.42
  5. Step 5: Solve for x
    x = 2,452,701,270.42/52,453.99
  6. Step 6: Final answer
    x = 46,759.10

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