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Finding the Fourth Proportional to 61,073.88, 91,475.46 and 46,929.78

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Solution

The fourth proportional to 61,073.88, 91,475.46 and 46,929.78 is: 70,290.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,073.88 : 91,475.46 = 46,929.78 : x
  2. Step 2: Convert to fraction form
    61,073.88/91,475.46 = 46,929.78/x
  3. Step 3: Cross multiply
    61,073.88x = 91,475.46 × 46,929.78
  4. Step 4: Simplify right side
    61,073.88x = 4,292,923,213.20
  5. Step 5: Solve for x
    x = 4,292,923,213.20/61,073.88
  6. Step 6: Final answer
    x = 70,290.66

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