Home / 103,784.20-155,676.30-33,670.60

Finding the Fourth Proportional to 103,784.20, 155,676.30 and 33,670.60

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Solution

The fourth proportional to 103,784.20, 155,676.30 and 33,670.60 is: 50,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,784.20 : 155,676.30 = 33,670.60 : x
  2. Step 2: Convert to fraction form
    103,784.20/155,676.30 = 33,670.60/x
  3. Step 3: Cross multiply
    103,784.20x = 155,676.30 × 33,670.60
  4. Step 4: Simplify right side
    103,784.20x = 5,241,714,426.78
  5. Step 5: Solve for x
    x = 5,241,714,426.78/103,784.20
  6. Step 6: Final answer
    x = 50,505.90

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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.