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Finding the Fourth Proportional to 65,031.48, 89,716.88 and 51,548.63

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Solution

The fourth proportional to 65,031.48, 89,716.88 and 51,548.63 is: 71,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,031.48 : 89,716.88 = 51,548.63 : x
  2. Step 2: Convert to fraction form
    65,031.48/89,716.88 = 51,548.63/x
  3. Step 3: Cross multiply
    65,031.48x = 89,716.88 × 51,548.63
  4. Step 4: Simplify right side
    65,031.48x = 4,624,781,932.16
  5. Step 5: Solve for x
    x = 4,624,781,932.16/65,031.48
  6. Step 6: Final answer
    x = 71,116.05

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