Home / 85,003.82-117,239.37-54,794.06

Finding the Fourth Proportional to 85,003.82, 117,239.37 and 54,794.06

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Solution

The fourth proportional to 85,003.82, 117,239.37 and 54,794.06 is: 75,573.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,003.82 : 117,239.37 = 54,794.06 : x
  2. Step 2: Convert to fraction form
    85,003.82/117,239.37 = 54,794.06/x
  3. Step 3: Cross multiply
    85,003.82x = 117,239.37 × 54,794.06
  4. Step 4: Simplify right side
    85,003.82x = 6,424,021,074.14
  5. Step 5: Solve for x
    x = 6,424,021,074.14/85,003.82
  6. Step 6: Final answer
    x = 75,573.32

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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.