Home / 105,963.96-158,946.09-27,078.27

Finding the Fourth Proportional to 105,963.96, 158,946.09 and 27,078.27

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Solution

The fourth proportional to 105,963.96, 158,946.09 and 27,078.27 is: 40,617.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,963.96 : 158,946.09 = 27,078.27 : x
  2. Step 2: Convert to fraction form
    105,963.96/158,946.09 = 27,078.27/x
  3. Step 3: Cross multiply
    105,963.96x = 158,946.09 × 27,078.27
  4. Step 4: Simplify right side
    105,963.96x = 4,303,985,140.46
  5. Step 5: Solve for x
    x = 4,303,985,140.46/105,963.96
  6. Step 6: Final answer
    x = 40,617.44

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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.