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Finding the Fourth Proportional to 84,478.61, 116,609.63 and 48,682.89

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Solution

The fourth proportional to 84,478.61, 116,609.63 and 48,682.89 is: 67,199.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,478.61 : 116,609.63 = 48,682.89 : x
  2. Step 2: Convert to fraction form
    84,478.61/116,609.63 = 48,682.89/x
  3. Step 3: Cross multiply
    84,478.61x = 116,609.63 × 48,682.89
  4. Step 4: Simplify right side
    84,478.61x = 5,676,893,546.82
  5. Step 5: Solve for x
    x = 5,676,893,546.82/84,478.61
  6. Step 6: Final answer
    x = 67,199.18

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