Home / 106,013.94-159,020.76-27,128.18

Finding the Fourth Proportional to 106,013.94, 159,020.76 and 27,128.18

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Solution

The fourth proportional to 106,013.94, 159,020.76 and 27,128.18 is: 40,692.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,013.94 : 159,020.76 = 27,128.18 : x
  2. Step 2: Convert to fraction form
    106,013.94/159,020.76 = 27,128.18/x
  3. Step 3: Cross multiply
    106,013.94x = 159,020.76 × 27,128.18
  4. Step 4: Simplify right side
    106,013.94x = 4,313,943,801.02
  5. Step 5: Solve for x
    x = 4,313,943,801.02/106,013.94
  6. Step 6: Final answer
    x = 40,692.23

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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.