Home / 80,749.79-111,433.22-44,939.49

Finding the Fourth Proportional to 80,749.79, 111,433.22 and 44,939.49

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Solution

The fourth proportional to 80,749.79, 111,433.22 and 44,939.49 is: 62,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,749.79 : 111,433.22 = 44,939.49 : x
  2. Step 2: Convert to fraction form
    80,749.79/111,433.22 = 44,939.49/x
  3. Step 3: Cross multiply
    80,749.79x = 111,433.22 × 44,939.49
  4. Step 4: Simplify right side
    80,749.79x = 5,007,751,293.99
  5. Step 5: Solve for x
    x = 5,007,751,293.99/80,749.79
  6. Step 6: Final answer
    x = 62,015.66

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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.