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Finding the Fourth Proportional to 72,255.50, 99,646.72 and 62,043.35

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Solution

The fourth proportional to 72,255.50, 99,646.72 and 62,043.35 is: 85,563.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,255.50 : 99,646.72 = 62,043.35 : x
  2. Step 2: Convert to fraction form
    72,255.50/99,646.72 = 62,043.35/x
  3. Step 3: Cross multiply
    72,255.50x = 99,646.72 × 62,043.35
  4. Step 4: Simplify right side
    72,255.50x = 6,182,415,671.97
  5. Step 5: Solve for x
    x = 6,182,415,671.97/72,255.50
  6. Step 6: Final answer
    x = 85,563.25

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