Home / 117,537.35-162,200.27-66,548.66

Finding the Fourth Proportional to 117,537.35, 162,200.27 and 66,548.66

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Solution

The fourth proportional to 117,537.35, 162,200.27 and 66,548.66 is: 91,836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,537.35 : 162,200.27 = 66,548.66 : x
  2. Step 2: Convert to fraction form
    117,537.35/162,200.27 = 66,548.66/x
  3. Step 3: Cross multiply
    117,537.35x = 162,200.27 × 66,548.66
  4. Step 4: Simplify right side
    117,537.35x = 10,794,209,975.51
  5. Step 5: Solve for x
    x = 10,794,209,975.51/117,537.35
  6. Step 6: Final answer
    x = 91,836.43

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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.