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Finding the Fourth Proportional to 78,725.00, 108,643.12 and 46,889.57

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Solution

The fourth proportional to 78,725.00, 108,643.12 and 46,889.57 is: 64,709.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,725.00 : 108,643.12 = 46,889.57 : x
  2. Step 2: Convert to fraction form
    78,725.00/108,643.12 = 46,889.57/x
  3. Step 3: Cross multiply
    78,725.00x = 108,643.12 × 46,889.57
  4. Step 4: Simplify right side
    78,725.00x = 5,094,228,519.82
  5. Step 5: Solve for x
    x = 5,094,228,519.82/78,725.00
  6. Step 6: Final answer
    x = 64,709.16

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