Home / 43,091.55-64,643.40-13,506.30

Finding the Fourth Proportional to 43,091.55, 64,643.40 and 13,506.30

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Solution

The fourth proportional to 43,091.55, 64,643.40 and 13,506.30 is: 20,261.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,091.55 : 64,643.40 = 13,506.30 : x
  2. Step 2: Convert to fraction form
    43,091.55/64,643.40 = 13,506.30/x
  3. Step 3: Cross multiply
    43,091.55x = 64,643.40 × 13,506.30
  4. Step 4: Simplify right side
    43,091.55x = 873,093,153.42
  5. Step 5: Solve for x
    x = 873,093,153.42/43,091.55
  6. Step 6: Final answer
    x = 20,261.35

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