Home / 43,272.75-64,911.48-13,688.38

Finding the Fourth Proportional to 43,272.75, 64,911.48 and 13,688.38

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Solution

The fourth proportional to 43,272.75, 64,911.48 and 13,688.38 is: 20,533.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,272.75 : 64,911.48 = 13,688.38 : x
  2. Step 2: Convert to fraction form
    43,272.75/64,911.48 = 13,688.38/x
  3. Step 3: Cross multiply
    43,272.75x = 64,911.48 × 13,688.38
  4. Step 4: Simplify right side
    43,272.75x = 888,533,004.60
  5. Step 5: Solve for x
    x = 888,533,004.60/43,272.75
  6. Step 6: Final answer
    x = 20,533.32

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