Home / 81,520.84-122,292.14-32,261.32

Finding the Fourth Proportional to 81,520.84, 122,292.14 and 32,261.32

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Solution

The fourth proportional to 81,520.84, 122,292.14 and 32,261.32 is: 48,396.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,520.84 : 122,292.14 = 32,261.32 : x
  2. Step 2: Convert to fraction form
    81,520.84/122,292.14 = 32,261.32/x
  3. Step 3: Cross multiply
    81,520.84x = 122,292.14 × 32,261.32
  4. Step 4: Simplify right side
    81,520.84x = 3,945,305,862.02
  5. Step 5: Solve for x
    x = 3,945,305,862.02/81,520.84
  6. Step 6: Final answer
    x = 48,396.29

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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.