Home / 117,902.44-162,717.67-66,928.94

Finding the Fourth Proportional to 117,902.44, 162,717.67 and 66,928.94

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Solution

The fourth proportional to 117,902.44, 162,717.67 and 66,928.94 is: 92,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,902.44 : 162,717.67 = 66,928.94 : x
  2. Step 2: Convert to fraction form
    117,902.44/162,717.67 = 66,928.94/x
  3. Step 3: Cross multiply
    117,902.44x = 162,717.67 × 66,928.94
  4. Step 4: Simplify right side
    117,902.44x = 10,890,520,065.97
  5. Step 5: Solve for x
    x = 10,890,520,065.97/117,902.44
  6. Step 6: Final answer
    x = 92,368.91

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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.