Home / 86,968.44-119,954.34-79,821.54

Finding the Fourth Proportional to 86,968.44, 119,954.34 and 79,821.54

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Solution

The fourth proportional to 86,968.44, 119,954.34 and 79,821.54 is: 110,096.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,968.44 : 119,954.34 = 79,821.54 : x
  2. Step 2: Convert to fraction form
    86,968.44/119,954.34 = 79,821.54/x
  3. Step 3: Cross multiply
    86,968.44x = 119,954.34 × 79,821.54
  4. Step 4: Simplify right side
    86,968.44x = 9,574,940,148.48
  5. Step 5: Solve for x
    x = 9,574,940,148.48/86,968.44
  6. Step 6: Final answer
    x = 110,096.72

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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.