Home / 80,831.44-121,271.16-41,416.24

Finding the Fourth Proportional to 80,831.44, 121,271.16 and 41,416.24

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Solution

The fourth proportional to 80,831.44, 121,271.16 and 41,416.24 is: 62,136.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,831.44 : 121,271.16 = 41,416.24 : x
  2. Step 2: Convert to fraction form
    80,831.44/121,271.16 = 41,416.24/x
  3. Step 3: Cross multiply
    80,831.44x = 121,271.16 × 41,416.24
  4. Step 4: Simplify right side
    80,831.44x = 5,022,595,467.64
  5. Step 5: Solve for x
    x = 5,022,595,467.64/80,831.44
  6. Step 6: Final answer
    x = 62,136.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.