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Finding the Fourth Proportional to 77,673.64, 107,155.98 and 48,970.68

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Solution

The fourth proportional to 77,673.64, 107,155.98 and 48,970.68 is: 67,558.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,673.64 : 107,155.98 = 48,970.68 : x
  2. Step 2: Convert to fraction form
    77,673.64/107,155.98 = 48,970.68/x
  3. Step 3: Cross multiply
    77,673.64x = 107,155.98 × 48,970.68
  4. Step 4: Simplify right side
    77,673.64x = 5,247,501,206.67
  5. Step 5: Solve for x
    x = 5,247,501,206.67/77,673.64
  6. Step 6: Final answer
    x = 67,558.33

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