Home / 75,185.22-112,759.38-33,075.92

Finding the Fourth Proportional to 75,185.22, 112,759.38 and 33,075.92

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Solution

The fourth proportional to 75,185.22, 112,759.38 and 33,075.92 is: 49,605.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,185.22 : 112,759.38 = 33,075.92 : x
  2. Step 2: Convert to fraction form
    75,185.22/112,759.38 = 33,075.92/x
  3. Step 3: Cross multiply
    75,185.22x = 112,759.38 × 33,075.92
  4. Step 4: Simplify right side
    75,185.22x = 3,729,619,668.33
  5. Step 5: Solve for x
    x = 3,729,619,668.33/75,185.22
  6. Step 6: Final answer
    x = 49,605.76

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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.