Home / 81,940.02-122,922.96-29,348.34

Finding the Fourth Proportional to 81,940.02, 122,922.96 and 29,348.34

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Solution

The fourth proportional to 81,940.02, 122,922.96 and 29,348.34 is: 44,027.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,940.02 : 122,922.96 = 29,348.34 : x
  2. Step 2: Convert to fraction form
    81,940.02/122,922.96 = 29,348.34/x
  3. Step 3: Cross multiply
    81,940.02x = 122,922.96 × 29,348.34
  4. Step 4: Simplify right side
    81,940.02x = 3,607,584,823.89
  5. Step 5: Solve for x
    x = 3,607,584,823.89/81,940.02
  6. Step 6: Final answer
    x = 44,027.14

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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.