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Finding the Fourth Proportional to 65,913.40, 98,675.70 and 43,751.80

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Solution

The fourth proportional to 65,913.40, 98,675.70 and 43,751.80 is: 65,498.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,913.40 : 98,675.70 = 43,751.80 : x
  2. Step 2: Convert to fraction form
    65,913.40/98,675.70 = 43,751.80/x
  3. Step 3: Cross multiply
    65,913.40x = 98,675.70 × 43,751.80
  4. Step 4: Simplify right side
    65,913.40x = 4,317,239,491.26
  5. Step 5: Solve for x
    x = 4,317,239,491.26/65,913.40
  6. Step 6: Final answer
    x = 65,498.66

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