Home / 74,321.60-111,499.43-32,208.75

Finding the Fourth Proportional to 74,321.60, 111,499.43 and 32,208.75

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Solution

The fourth proportional to 74,321.60, 111,499.43 and 32,208.75 is: 48,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,321.60 : 111,499.43 = 32,208.75 : x
  2. Step 2: Convert to fraction form
    74,321.60/111,499.43 = 32,208.75/x
  3. Step 3: Cross multiply
    74,321.60x = 111,499.43 × 32,208.75
  4. Step 4: Simplify right side
    74,321.60x = 3,591,257,266.01
  5. Step 5: Solve for x
    x = 3,591,257,266.01/74,321.60
  6. Step 6: Final answer
    x = 48,320.51

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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.