Home / 123,270.11-170,112.77-66,681.48

Finding the Fourth Proportional to 123,270.11, 170,112.77 and 66,681.48

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Solution

The fourth proportional to 123,270.11, 170,112.77 and 66,681.48 is: 92,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,270.11 : 170,112.77 = 66,681.48 : x
  2. Step 2: Convert to fraction form
    123,270.11/170,112.77 = 66,681.48/x
  3. Step 3: Cross multiply
    123,270.11x = 170,112.77 × 66,681.48
  4. Step 4: Simplify right side
    123,270.11x = 11,343,370,937.09
  5. Step 5: Solve for x
    x = 11,343,370,937.09/123,270.11
  6. Step 6: Final answer
    x = 92,020.45

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