Home / 85,299.21-117,674.82-49,468.45

Finding the Fourth Proportional to 85,299.21, 117,674.82 and 49,468.45

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Solution

The fourth proportional to 85,299.21, 117,674.82 and 49,468.45 is: 68,244.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,299.21 : 117,674.82 = 49,468.45 : x
  2. Step 2: Convert to fraction form
    85,299.21/117,674.82 = 49,468.45/x
  3. Step 3: Cross multiply
    85,299.21x = 117,674.82 × 49,468.45
  4. Step 4: Simplify right side
    85,299.21x = 5,821,190,949.43
  5. Step 5: Solve for x
    x = 5,821,190,949.43/85,299.21
  6. Step 6: Final answer
    x = 68,244.37

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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.