Home / 85,083.40-127,628.22-43,481.80

Finding the Fourth Proportional to 85,083.40, 127,628.22 and 43,481.80

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Solution

The fourth proportional to 85,083.40, 127,628.22 and 43,481.80 is: 65,224.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,083.40 : 127,628.22 = 43,481.80 : x
  2. Step 2: Convert to fraction form
    85,083.40/127,628.22 = 43,481.80/x
  3. Step 3: Cross multiply
    85,083.40x = 127,628.22 × 43,481.80
  4. Step 4: Simplify right side
    85,083.40x = 5,549,504,736.40
  5. Step 5: Solve for x
    x = 5,549,504,736.40/85,083.40
  6. Step 6: Final answer
    x = 65,224.29

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1.5x scale

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.