Home / 81,522.37-122,283.62-22,358.49

Finding the Fourth Proportional to 81,522.37, 122,283.62 and 22,358.49

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Solution

The fourth proportional to 81,522.37, 122,283.62 and 22,358.49 is: 33,537.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,522.37 : 122,283.62 = 22,358.49 : x
  2. Step 2: Convert to fraction form
    81,522.37/122,283.62 = 22,358.49/x
  3. Step 3: Cross multiply
    81,522.37x = 122,283.62 × 22,358.49
  4. Step 4: Simplify right side
    81,522.37x = 2,734,077,094.93
  5. Step 5: Solve for x
    x = 2,734,077,094.93/81,522.37
  6. Step 6: Final answer
    x = 33,537.75

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1.5x scale

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.