Home / 66,739.44-100,158.48-53,748.60

Finding the Fourth Proportional to 66,739.44, 100,158.48 and 53,748.60

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Solution

The fourth proportional to 66,739.44, 100,158.48 and 53,748.60 is: 80,662.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,739.44 : 100,158.48 = 53,748.60 : x
  2. Step 2: Convert to fraction form
    66,739.44/100,158.48 = 53,748.60/x
  3. Step 3: Cross multiply
    66,739.44x = 100,158.48 × 53,748.60
  4. Step 4: Simplify right side
    66,739.44x = 5,383,378,078.13
  5. Step 5: Solve for x
    x = 5,383,378,078.13/66,739.44
  6. Step 6: Final answer
    x = 80,662.62

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1.5x scale

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.