Home / 106,009.57-158,975.47-31,110.49

Finding the Fourth Proportional to 106,009.57, 158,975.47 and 31,110.49

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Solution

The fourth proportional to 106,009.57, 158,975.47 and 31,110.49 is: 46,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,009.57 : 158,975.47 = 31,110.49 : x
  2. Step 2: Convert to fraction form
    106,009.57/158,975.47 = 31,110.49/x
  3. Step 3: Cross multiply
    106,009.57x = 158,975.47 × 31,110.49
  4. Step 4: Simplify right side
    106,009.57x = 4,945,804,769.68
  5. Step 5: Solve for x
    x = 4,945,804,769.68/106,009.57
  6. Step 6: Final answer
    x = 46,654.32

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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.