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Finding the Fourth Proportional to 73,478.86, 101,400.93 and 39,944.86

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Solution

The fourth proportional to 73,478.86, 101,400.93 and 39,944.86 is: 55,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,478.86 : 101,400.93 = 39,944.86 : x
  2. Step 2: Convert to fraction form
    73,478.86/101,400.93 = 39,944.86/x
  3. Step 3: Cross multiply
    73,478.86x = 101,400.93 × 39,944.86
  4. Step 4: Simplify right side
    73,478.86x = 4,050,445,952.72
  5. Step 5: Solve for x
    x = 4,050,445,952.72/73,478.86
  6. Step 6: Final answer
    x = 55,123.96

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