Home / 98,274.06-135,604.53-55,247.54

Finding the Fourth Proportional to 98,274.06, 135,604.53 and 55,247.54

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Solution

The fourth proportional to 98,274.06, 135,604.53 and 55,247.54 is: 76,233.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,274.06 : 135,604.53 = 55,247.54 : x
  2. Step 2: Convert to fraction form
    98,274.06/135,604.53 = 55,247.54/x
  3. Step 3: Cross multiply
    98,274.06x = 135,604.53 × 55,247.54
  4. Step 4: Simplify right side
    98,274.06x = 7,491,816,017.33
  5. Step 5: Solve for x
    x = 7,491,816,017.33/98,274.06
  6. Step 6: Final answer
    x = 76,233.91

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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.