Home / 80,980.41-111,755.75-46,986.33

Finding the Fourth Proportional to 80,980.41, 111,755.75 and 46,986.33

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Solution

The fourth proportional to 80,980.41, 111,755.75 and 46,986.33 is: 64,842.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,980.41 : 111,755.75 = 46,986.33 : x
  2. Step 2: Convert to fraction form
    80,980.41/111,755.75 = 46,986.33/x
  3. Step 3: Cross multiply
    80,980.41x = 111,755.75 × 46,986.33
  4. Step 4: Simplify right side
    80,980.41x = 5,250,992,313.97
  5. Step 5: Solve for x
    x = 5,250,992,313.97/80,980.41
  6. Step 6: Final answer
    x = 64,842.75

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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.