Home / 105,537.97-158,365.37-39,021.73

Finding the Fourth Proportional to 105,537.97, 158,365.37 and 39,021.73

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Solution

The fourth proportional to 105,537.97, 158,365.37 and 39,021.73 is: 58,554.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,537.97 : 158,365.37 = 39,021.73 : x
  2. Step 2: Convert to fraction form
    105,537.97/158,365.37 = 39,021.73/x
  3. Step 3: Cross multiply
    105,537.97x = 158,365.37 × 39,021.73
  4. Step 4: Simplify right side
    105,537.97x = 6,179,690,709.49
  5. Step 5: Solve for x
    x = 6,179,690,709.49/105,537.97
  6. Step 6: Final answer
    x = 58,554.19

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1.5x scale

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.