Home / 81,589.54-122,419.38-44,176.34

Finding the Fourth Proportional to 81,589.54, 122,419.38 and 44,176.34

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Solution

The fourth proportional to 81,589.54, 122,419.38 and 44,176.34 is: 66,283.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,589.54 : 122,419.38 = 44,176.34 : x
  2. Step 2: Convert to fraction form
    81,589.54/122,419.38 = 44,176.34/x
  3. Step 3: Cross multiply
    81,589.54x = 122,419.38 × 44,176.34
  4. Step 4: Simplify right side
    81,589.54x = 5,408,040,153.47
  5. Step 5: Solve for x
    x = 5,408,040,153.47/81,589.54
  6. Step 6: Final answer
    x = 66,283.50

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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.