Home / 103,743.60-155,640.04-33,622.96

Finding the Fourth Proportional to 103,743.60, 155,640.04 and 33,622.96

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Solution

The fourth proportional to 103,743.60, 155,640.04 and 33,622.96 is: 50,442.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,743.60 : 155,640.04 = 33,622.96 : x
  2. Step 2: Convert to fraction form
    103,743.60/155,640.04 = 33,622.96/x
  3. Step 3: Cross multiply
    103,743.60x = 155,640.04 × 33,622.96
  4. Step 4: Simplify right side
    103,743.60x = 5,233,078,839.32
  5. Step 5: Solve for x
    x = 5,233,078,839.32/103,743.60
  6. Step 6: Final answer
    x = 50,442.43

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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.