Home / 55,621.44-76,831.20-41,449.68

Finding the Fourth Proportional to 55,621.44, 76,831.20 and 41,449.68

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Solution

The fourth proportional to 55,621.44, 76,831.20 and 41,449.68 is: 57,255.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,621.44 : 76,831.20 = 41,449.68 : x
  2. Step 2: Convert to fraction form
    55,621.44/76,831.20 = 41,449.68/x
  3. Step 3: Cross multiply
    55,621.44x = 76,831.20 × 41,449.68
  4. Step 4: Simplify right side
    55,621.44x = 3,184,628,654.02
  5. Step 5: Solve for x
    x = 3,184,628,654.02/55,621.44
  6. Step 6: Final answer
    x = 57,255.42

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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.