Home / 105,984.36-158,942.56-34,890.44

Finding the Fourth Proportional to 105,984.36, 158,942.56 and 34,890.44

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Solution

The fourth proportional to 105,984.36, 158,942.56 and 34,890.44 is: 52,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,984.36 : 158,942.56 = 34,890.44 : x
  2. Step 2: Convert to fraction form
    105,984.36/158,942.56 = 34,890.44/x
  3. Step 3: Cross multiply
    105,984.36x = 158,942.56 × 34,890.44
  4. Step 4: Simplify right side
    105,984.36x = 5,545,575,853.13
  5. Step 5: Solve for x
    x = 5,545,575,853.13/105,984.36
  6. Step 6: Final answer
    x = 52,324.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.