Home / 81,625.94-122,450.60-25,471.07

Finding the Fourth Proportional to 81,625.94, 122,450.60 and 25,471.07

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Solution

The fourth proportional to 81,625.94, 122,450.60 and 25,471.07 is: 38,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,625.94 : 122,450.60 = 25,471.07 : x
  2. Step 2: Convert to fraction form
    81,625.94/122,450.60 = 25,471.07/x
  3. Step 3: Cross multiply
    81,625.94x = 122,450.60 × 25,471.07
  4. Step 4: Simplify right side
    81,625.94x = 3,118,947,676.79
  5. Step 5: Solve for x
    x = 3,118,947,676.79/81,625.94
  6. Step 6: Final answer
    x = 38,210.25

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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.