Home / 117,736.46-162,436.56-66,743.72

Finding the Fourth Proportional to 117,736.46, 162,436.56 and 66,743.72

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Solution

The fourth proportional to 117,736.46, 162,436.56 and 66,743.72 is: 92,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,736.46 : 162,436.56 = 66,743.72 : x
  2. Step 2: Convert to fraction form
    117,736.46/162,436.56 = 66,743.72/x
  3. Step 3: Cross multiply
    117,736.46x = 162,436.56 × 66,743.72
  4. Step 4: Simplify right side
    117,736.46x = 10,841,620,278.40
  5. Step 5: Solve for x
    x = 10,841,620,278.40/117,736.46
  6. Step 6: Final answer
    x = 92,083.80

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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.