Home / 51,897.06-77,842.35-20,709.90

Finding the Fourth Proportional to 51,897.06, 77,842.35 and 20,709.90

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Solution

The fourth proportional to 51,897.06, 77,842.35 and 20,709.90 is: 31,063.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,897.06 : 77,842.35 = 20,709.90 : x
  2. Step 2: Convert to fraction form
    51,897.06/77,842.35 = 20,709.90/x
  3. Step 3: Cross multiply
    51,897.06x = 77,842.35 × 20,709.90
  4. Step 4: Simplify right side
    51,897.06x = 1,612,107,284.27
  5. Step 5: Solve for x
    x = 1,612,107,284.27/51,897.06
  6. Step 6: Final answer
    x = 31,063.56

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