Home / 66,136.11-91,268.49-35,922.03

Finding the Fourth Proportional to 66,136.11, 91,268.49 and 35,922.03

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Solution

The fourth proportional to 66,136.11, 91,268.49 and 35,922.03 is: 49,572.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,136.11 : 91,268.49 = 35,922.03 : x
  2. Step 2: Convert to fraction form
    66,136.11/91,268.49 = 35,922.03/x
  3. Step 3: Cross multiply
    66,136.11x = 91,268.49 × 35,922.03
  4. Step 4: Simplify right side
    66,136.11x = 3,278,549,435.83
  5. Step 5: Solve for x
    x = 3,278,549,435.83/66,136.11
  6. Step 6: Final answer
    x = 49,572.76

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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.