Home / 110,855.75-166,300.06-40,729.60

Finding the Fourth Proportional to 110,855.75, 166,300.06 and 40,729.60

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Solution

The fourth proportional to 110,855.75, 166,300.06 and 40,729.60 is: 61,100.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,855.75 : 166,300.06 = 40,729.60 : x
  2. Step 2: Convert to fraction form
    110,855.75/166,300.06 = 40,729.60/x
  3. Step 3: Cross multiply
    110,855.75x = 166,300.06 × 40,729.60
  4. Step 4: Simplify right side
    110,855.75x = 6,773,334,406.20
  5. Step 5: Solve for x
    x = 6,773,334,406.20/110,855.75
  6. Step 6: Final answer
    x = 61,100.43

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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.