Home / 66,069.95-91,177.20-35,855.54

Finding the Fourth Proportional to 66,069.95, 91,177.20 and 35,855.54

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Solution

The fourth proportional to 66,069.95, 91,177.20 and 35,855.54 is: 49,481.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,069.95 : 91,177.20 = 35,855.54 : x
  2. Step 2: Convert to fraction form
    66,069.95/91,177.20 = 35,855.54/x
  3. Step 3: Cross multiply
    66,069.95x = 91,177.20 × 35,855.54
  4. Step 4: Simplify right side
    66,069.95x = 3,269,207,375.44
  5. Step 5: Solve for x
    x = 3,269,207,375.44/66,069.95
  6. Step 6: Final answer
    x = 49,481.00

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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.