Home / 52,779.12-79,161.36-13,333.80

Finding the Fourth Proportional to 52,779.12, 79,161.36 and 13,333.80

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Solution

The fourth proportional to 52,779.12, 79,161.36 and 13,333.80 is: 19,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,779.12 : 79,161.36 = 13,333.80 : x
  2. Step 2: Convert to fraction form
    52,779.12/79,161.36 = 13,333.80/x
  3. Step 3: Cross multiply
    52,779.12x = 79,161.36 × 13,333.80
  4. Step 4: Simplify right side
    52,779.12x = 1,055,521,741.97
  5. Step 5: Solve for x
    x = 1,055,521,741.97/52,779.12
  6. Step 6: Final answer
    x = 19,998.85

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