Home / 105,936.71-158,928.44-34,881.21

Finding the Fourth Proportional to 105,936.71, 158,928.44 and 34,881.21

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Solution

The fourth proportional to 105,936.71, 158,928.44 and 34,881.21 is: 52,329.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,936.71 : 158,928.44 = 34,881.21 : x
  2. Step 2: Convert to fraction form
    105,936.71/158,928.44 = 34,881.21/x
  3. Step 3: Cross multiply
    105,936.71x = 158,928.44 × 34,881.21
  4. Step 4: Simplify right side
    105,936.71x = 5,543,616,116.21
  5. Step 5: Solve for x
    x = 5,543,616,116.21/105,936.71
  6. Step 6: Final answer
    x = 52,329.51

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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.