Home / 105,970.40-158,955.19-27,084.50

Finding the Fourth Proportional to 105,970.40, 158,955.19 and 27,084.50

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Solution

The fourth proportional to 105,970.40, 158,955.19 and 27,084.50 is: 40,626.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,970.40 : 158,955.19 = 27,084.50 : x
  2. Step 2: Convert to fraction form
    105,970.40/158,955.19 = 27,084.50/x
  3. Step 3: Cross multiply
    105,970.40x = 158,955.19 × 27,084.50
  4. Step 4: Simplify right side
    105,970.40x = 4,305,221,843.56
  5. Step 5: Solve for x
    x = 4,305,221,843.56/105,970.40
  6. Step 6: Final answer
    x = 40,626.65

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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.