Home / 104,690.20-156,982.74-48,481.96

Finding the Fourth Proportional to 104,690.20, 156,982.74 and 48,481.96

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Solution

The fourth proportional to 104,690.20, 156,982.74 and 48,481.96 is: 72,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,690.20 : 156,982.74 = 48,481.96 : x
  2. Step 2: Convert to fraction form
    104,690.20/156,982.74 = 48,481.96/x
  3. Step 3: Cross multiply
    104,690.20x = 156,982.74 × 48,481.96
  4. Step 4: Simplify right side
    104,690.20x = 7,610,830,921.37
  5. Step 5: Solve for x
    x = 7,610,830,921.37/104,690.20
  6. Step 6: Final answer
    x = 72,698.60

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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.