Home / 55,687.98-76,849.75-30,194.12

Finding the Fourth Proportional to 55,687.98, 76,849.75 and 30,194.12

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Solution

The fourth proportional to 55,687.98, 76,849.75 and 30,194.12 is: 41,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,687.98 : 76,849.75 = 30,194.12 : x
  2. Step 2: Convert to fraction form
    55,687.98/76,849.75 = 30,194.12/x
  3. Step 3: Cross multiply
    55,687.98x = 76,849.75 × 30,194.12
  4. Step 4: Simplify right side
    55,687.98x = 2,320,410,573.47
  5. Step 5: Solve for x
    x = 2,320,410,573.47/55,687.98
  6. Step 6: Final answer
    x = 41,668.07

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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.