Home / 89,821.21-134,731.41-23,255.68

Finding the Fourth Proportional to 89,821.21, 134,731.41 and 23,255.68

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Solution

The fourth proportional to 89,821.21, 134,731.41 and 23,255.68 is: 34,883.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,821.21 : 134,731.41 = 23,255.68 : x
  2. Step 2: Convert to fraction form
    89,821.21/134,731.41 = 23,255.68/x
  3. Step 3: Cross multiply
    89,821.21x = 134,731.41 × 23,255.68
  4. Step 4: Simplify right side
    89,821.21x = 3,133,270,556.91
  5. Step 5: Solve for x
    x = 3,133,270,556.91/89,821.21
  6. Step 6: Final answer
    x = 34,883.42

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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.