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Finding the Fourth Proportional to 75,212.88, 112,700.64 and 27,762.68

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Solution

The fourth proportional to 75,212.88, 112,700.64 and 27,762.68 is: 41,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,212.88 : 112,700.64 = 27,762.68 : x
  2. Step 2: Convert to fraction form
    75,212.88/112,700.64 = 27,762.68/x
  3. Step 3: Cross multiply
    75,212.88x = 112,700.64 × 27,762.68
  4. Step 4: Simplify right side
    75,212.88x = 3,128,871,804.12
  5. Step 5: Solve for x
    x = 3,128,871,804.12/75,212.88
  6. Step 6: Final answer
    x = 41,600.21

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