Home / 81,010.98-111,777.30-46,999.80

Finding the Fourth Proportional to 81,010.98, 111,777.30 and 46,999.80

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Solution

The fourth proportional to 81,010.98, 111,777.30 and 46,999.80 is: 64,849.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,010.98 : 111,777.30 = 46,999.80 : x
  2. Step 2: Convert to fraction form
    81,010.98/111,777.30 = 46,999.80/x
  3. Step 3: Cross multiply
    81,010.98x = 111,777.30 × 46,999.80
  4. Step 4: Simplify right side
    81,010.98x = 5,253,510,744.54
  5. Step 5: Solve for x
    x = 5,253,510,744.54/81,010.98
  6. Step 6: Final answer
    x = 64,849.37

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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.