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Finding the Fourth Proportional to 84,080.86, 126,129.93 and 48,581.98

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Solution

The fourth proportional to 84,080.86, 126,129.93 and 48,581.98 is: 72,877.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,080.86 : 126,129.93 = 48,581.98 : x
  2. Step 2: Convert to fraction form
    84,080.86/126,129.93 = 48,581.98/x
  3. Step 3: Cross multiply
    84,080.86x = 126,129.93 × 48,581.98
  4. Step 4: Simplify right side
    84,080.86x = 6,127,641,736.66
  5. Step 5: Solve for x
    x = 6,127,641,736.66/84,080.86
  6. Step 6: Final answer
    x = 72,877.96

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