Home / 66,119.58-99,190.32-32,840.76

Finding the Fourth Proportional to 66,119.58, 99,190.32 and 32,840.76

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Solution

The fourth proportional to 66,119.58, 99,190.32 and 32,840.76 is: 49,266.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,119.58 : 99,190.32 = 32,840.76 : x
  2. Step 2: Convert to fraction form
    66,119.58/99,190.32 = 32,840.76/x
  3. Step 3: Cross multiply
    66,119.58x = 99,190.32 × 32,840.76
  4. Step 4: Simplify right side
    66,119.58x = 3,257,485,493.44
  5. Step 5: Solve for x
    x = 3,257,485,493.44/66,119.58
  6. Step 6: Final answer
    x = 49,266.58

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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.