Home / 120,030.48-165,651.75-66,320.19

Finding the Fourth Proportional to 120,030.48, 165,651.75 and 66,320.19

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Solution

The fourth proportional to 120,030.48, 165,651.75 and 66,320.19 is: 91,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,030.48 : 165,651.75 = 66,320.19 : x
  2. Step 2: Convert to fraction form
    120,030.48/165,651.75 = 66,320.19/x
  3. Step 3: Cross multiply
    120,030.48x = 165,651.75 × 66,320.19
  4. Step 4: Simplify right side
    120,030.48x = 10,986,055,533.83
  5. Step 5: Solve for x
    x = 10,986,055,533.83/120,030.48
  6. Step 6: Final answer
    x = 91,527.21

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