Home / 81,899.20-122,848.73-22,734.84

Finding the Fourth Proportional to 81,899.20, 122,848.73 and 22,734.84

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Solution

The fourth proportional to 81,899.20, 122,848.73 and 22,734.84 is: 34,102.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,899.20 : 122,848.73 = 22,734.84 : x
  2. Step 2: Convert to fraction form
    81,899.20/122,848.73 = 22,734.84/x
  3. Step 3: Cross multiply
    81,899.20x = 122,848.73 × 22,734.84
  4. Step 4: Simplify right side
    81,899.20x = 2,792,946,220.75
  5. Step 5: Solve for x
    x = 2,792,946,220.75/81,899.20
  6. Step 6: Final answer
    x = 34,102.24

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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.