Home / 75,772.12-113,654.04-23,181.60

Finding the Fourth Proportional to 75,772.12, 113,654.04 and 23,181.60

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Solution

The fourth proportional to 75,772.12, 113,654.04 and 23,181.60 is: 34,771.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,772.12 : 113,654.04 = 23,181.60 : x
  2. Step 2: Convert to fraction form
    75,772.12/113,654.04 = 23,181.60/x
  3. Step 3: Cross multiply
    75,772.12x = 113,654.04 × 23,181.60
  4. Step 4: Simplify right side
    75,772.12x = 2,634,682,493.66
  5. Step 5: Solve for x
    x = 2,634,682,493.66/75,772.12
  6. Step 6: Final answer
    x = 34,771.13

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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.