Home / 66,075.18-91,183.79-35,860.49

Finding the Fourth Proportional to 66,075.18, 91,183.79 and 35,860.49

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Solution

The fourth proportional to 66,075.18, 91,183.79 and 35,860.49 is: 49,487.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,075.18 : 91,183.79 = 35,860.49 : x
  2. Step 2: Convert to fraction form
    66,075.18/91,183.79 = 35,860.49/x
  3. Step 3: Cross multiply
    66,075.18x = 91,183.79 × 35,860.49
  4. Step 4: Simplify right side
    66,075.18x = 3,269,895,389.46
  5. Step 5: Solve for x
    x = 3,269,895,389.46/66,075.18
  6. Step 6: Final answer
    x = 49,487.50

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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.