Home / 73,982.04-110,968.20-31,860.42

Finding the Fourth Proportional to 73,982.04, 110,968.20 and 31,860.42

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Solution

The fourth proportional to 73,982.04, 110,968.20 and 31,860.42 is: 47,788.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,982.04 : 110,968.20 = 31,860.42 : x
  2. Step 2: Convert to fraction form
    73,982.04/110,968.20 = 31,860.42/x
  3. Step 3: Cross multiply
    73,982.04x = 110,968.20 × 31,860.42
  4. Step 4: Simplify right side
    73,982.04x = 3,535,493,458.64
  5. Step 5: Solve for x
    x = 3,535,493,458.64/73,982.04
  6. Step 6: Final answer
    x = 47,788.54

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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.