Home / 86,212.44-118,968.89-47,974.23

Finding the Fourth Proportional to 86,212.44, 118,968.89 and 47,974.23

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Solution

The fourth proportional to 86,212.44, 118,968.89 and 47,974.23 is: 66,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,212.44 : 118,968.89 = 47,974.23 : x
  2. Step 2: Convert to fraction form
    86,212.44/118,968.89 = 47,974.23/x
  3. Step 3: Cross multiply
    86,212.44x = 118,968.89 × 47,974.23
  4. Step 4: Simplify right side
    86,212.44x = 5,707,440,651.83
  5. Step 5: Solve for x
    x = 5,707,440,651.83/86,212.44
  6. Step 6: Final answer
    x = 66,202.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.