Home / 103,845.54-155,771.82-28,967.52

Finding the Fourth Proportional to 103,845.54, 155,771.82 and 28,967.52

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Solution

The fourth proportional to 103,845.54, 155,771.82 and 28,967.52 is: 43,452.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,845.54 : 155,771.82 = 28,967.52 : x
  2. Step 2: Convert to fraction form
    103,845.54/155,771.82 = 28,967.52/x
  3. Step 3: Cross multiply
    103,845.54x = 155,771.82 × 28,967.52
  4. Step 4: Simplify right side
    103,845.54x = 4,512,323,311.29
  5. Step 5: Solve for x
    x = 4,512,323,311.29/103,845.54
  6. Step 6: Final answer
    x = 43,452.26

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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.