Home / 105,928.56-158,892.70-27,042.80

Finding the Fourth Proportional to 105,928.56, 158,892.70 and 27,042.80

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Solution

The fourth proportional to 105,928.56, 158,892.70 and 27,042.80 is: 40,564.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,928.56 : 158,892.70 = 27,042.80 : x
  2. Step 2: Convert to fraction form
    105,928.56/158,892.70 = 27,042.80/x
  3. Step 3: Cross multiply
    105,928.56x = 158,892.70 × 27,042.80
  4. Step 4: Simplify right side
    105,928.56x = 4,296,903,507.56
  5. Step 5: Solve for x
    x = 4,296,903,507.56/105,928.56
  6. Step 6: Final answer
    x = 40,564.16

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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.