Home / 117,705.06-162,447.93-66,726.09

Finding the Fourth Proportional to 117,705.06, 162,447.93 and 66,726.09

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Solution

The fourth proportional to 117,705.06, 162,447.93 and 66,726.09 is: 92,090.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,705.06 : 162,447.93 = 66,726.09 : x
  2. Step 2: Convert to fraction form
    117,705.06/162,447.93 = 66,726.09/x
  3. Step 3: Cross multiply
    117,705.06x = 162,447.93 × 66,726.09
  4. Step 4: Simplify right side
    117,705.06x = 10,839,515,197.49
  5. Step 5: Solve for x
    x = 10,839,515,197.49/117,705.06
  6. Step 6: Final answer
    x = 92,090.48

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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.