Home / 105,914.85-158,872.16-27,029.07

Finding the Fourth Proportional to 105,914.85, 158,872.16 and 27,029.07

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Solution

The fourth proportional to 105,914.85, 158,872.16 and 27,029.07 is: 40,543.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,914.85 : 158,872.16 = 27,029.07 : x
  2. Step 2: Convert to fraction form
    105,914.85/158,872.16 = 27,029.07/x
  3. Step 3: Cross multiply
    105,914.85x = 158,872.16 × 27,029.07
  4. Step 4: Simplify right side
    105,914.85x = 4,294,166,801.26
  5. Step 5: Solve for x
    x = 4,294,166,801.26/105,914.85
  6. Step 6: Final answer
    x = 40,543.58

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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.