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Finding the Fourth Proportional to 71,648.30, 98,808.58 and 48,712.61

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Solution

The fourth proportional to 71,648.30, 98,808.58 and 48,712.61 is: 67,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,648.30 : 98,808.58 = 48,712.61 : x
  2. Step 2: Convert to fraction form
    71,648.30/98,808.58 = 48,712.61/x
  3. Step 3: Cross multiply
    71,648.30x = 98,808.58 × 48,712.61
  4. Step 4: Simplify right side
    71,648.30x = 4,813,223,822.19
  5. Step 5: Solve for x
    x = 4,813,223,822.19/71,648.30
  6. Step 6: Final answer
    x = 67,178.48

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