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Finding the Fourth Proportional to 64,473.12, 88,966.80 and 36,173.28

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Solution

The fourth proportional to 64,473.12, 88,966.80 and 36,173.28 is: 49,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,473.12 : 88,966.80 = 36,173.28 : x
  2. Step 2: Convert to fraction form
    64,473.12/88,966.80 = 36,173.28/x
  3. Step 3: Cross multiply
    64,473.12x = 88,966.80 × 36,173.28
  4. Step 4: Simplify right side
    64,473.12x = 3,218,220,967.10
  5. Step 5: Solve for x
    x = 3,218,220,967.10/64,473.12
  6. Step 6: Final answer
    x = 49,915.70

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