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Finding the Fourth Proportional to 72,980.92, 100,655.34 and 50,314.70

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Solution

The fourth proportional to 72,980.92, 100,655.34 and 50,314.70 is: 69,394.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,980.92 : 100,655.34 = 50,314.70 : x
  2. Step 2: Convert to fraction form
    72,980.92/100,655.34 = 50,314.70/x
  3. Step 3: Cross multiply
    72,980.92x = 100,655.34 × 50,314.70
  4. Step 4: Simplify right side
    72,980.92x = 5,064,443,235.50
  5. Step 5: Solve for x
    x = 5,064,443,235.50/72,980.92
  6. Step 6: Final answer
    x = 69,394.07

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