Home / 103,954.89-155,932.85-29,081.58

Finding the Fourth Proportional to 103,954.89, 155,932.85 and 29,081.58

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Solution

The fourth proportional to 103,954.89, 155,932.85 and 29,081.58 is: 43,622.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,954.89 : 155,932.85 = 29,081.58 : x
  2. Step 2: Convert to fraction form
    103,954.89/155,932.85 = 29,081.58/x
  3. Step 3: Cross multiply
    103,954.89x = 155,932.85 × 29,081.58
  4. Step 4: Simplify right side
    103,954.89x = 4,534,773,651.90
  5. Step 5: Solve for x
    x = 4,534,773,651.90/103,954.89
  6. Step 6: Final answer
    x = 43,622.51

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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.