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Finding the Fourth Proportional to 87,478.41, 131,275.53 and 48,063

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Solution

The fourth proportional to 87,478.41, 131,275.53 and 48,063 is: 72,126.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,478.41 : 131,275.53 = 48,063 : x
  2. Step 2: Convert to fraction form
    87,478.41/131,275.53 = 48,063/x
  3. Step 3: Cross multiply
    87,478.41x = 131,275.53 × 48,063
  4. Step 4: Simplify right side
    87,478.41x = 6,309,495,798.39
  5. Step 5: Solve for x
    x = 6,309,495,798.39/87,478.41
  6. Step 6: Final answer
    x = 72,126.32

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