Home / 103,968.35-155,951.09-25,081.91

Finding the Fourth Proportional to 103,968.35, 155,951.09 and 25,081.91

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Solution

The fourth proportional to 103,968.35, 155,951.09 and 25,081.91 is: 37,622.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,968.35 : 155,951.09 = 25,081.91 : x
  2. Step 2: Convert to fraction form
    103,968.35/155,951.09 = 25,081.91/x
  3. Step 3: Cross multiply
    103,968.35x = 155,951.09 × 25,081.91
  4. Step 4: Simplify right side
    103,968.35x = 3,911,551,078.37
  5. Step 5: Solve for x
    x = 3,911,551,078.37/103,968.35
  6. Step 6: Final answer
    x = 37,622.52

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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.