Home / 66,075.03-91,183.60-35,860.36

Finding the Fourth Proportional to 66,075.03, 91,183.60 and 35,860.36

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Solution

The fourth proportional to 66,075.03, 91,183.60 and 35,860.36 is: 49,487.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,075.03 : 91,183.60 = 35,860.36 : x
  2. Step 2: Convert to fraction form
    66,075.03/91,183.60 = 35,860.36/x
  3. Step 3: Cross multiply
    66,075.03x = 91,183.60 × 35,860.36
  4. Step 4: Simplify right side
    66,075.03x = 3,269,876,722.10
  5. Step 5: Solve for x
    x = 3,269,876,722.10/66,075.03
  6. Step 6: Final answer
    x = 49,487.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.