Home / 105,799.84-158,716.74-30,910.48

Finding the Fourth Proportional to 105,799.84, 158,716.74 and 30,910.48

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Solution

The fourth proportional to 105,799.84, 158,716.74 and 30,910.48 is: 46,370.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,799.84 : 158,716.74 = 30,910.48 : x
  2. Step 2: Convert to fraction form
    105,799.84/158,716.74 = 30,910.48/x
  3. Step 3: Cross multiply
    105,799.84x = 158,716.74 × 30,910.48
  4. Step 4: Simplify right side
    105,799.84x = 4,906,010,617.44
  5. Step 5: Solve for x
    x = 4,906,010,617.44/105,799.84
  6. Step 6: Final answer
    x = 46,370.68

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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.