Home / 66,654.06-91,991.24-37,984.08

Finding the Fourth Proportional to 66,654.06, 91,991.24 and 37,984.08

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Solution

The fourth proportional to 66,654.06, 91,991.24 and 37,984.08 is: 52,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,654.06 : 91,991.24 = 37,984.08 : x
  2. Step 2: Convert to fraction form
    66,654.06/91,991.24 = 37,984.08/x
  3. Step 3: Cross multiply
    66,654.06x = 91,991.24 × 37,984.08
  4. Step 4: Simplify right side
    66,654.06x = 3,494,202,619.46
  5. Step 5: Solve for x
    x = 3,494,202,619.46/66,654.06
  6. Step 6: Final answer
    x = 52,422.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.