Home / 80,831.52-111,544.56-47,296.80

Finding the Fourth Proportional to 80,831.52, 111,544.56 and 47,296.80

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Solution

The fourth proportional to 80,831.52, 111,544.56 and 47,296.80 is: 65,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,831.52 : 111,544.56 = 47,296.80 : x
  2. Step 2: Convert to fraction form
    80,831.52/111,544.56 = 47,296.80/x
  3. Step 3: Cross multiply
    80,831.52x = 111,544.56 × 47,296.80
  4. Step 4: Simplify right side
    80,831.52x = 5,275,700,745.41
  5. Step 5: Solve for x
    x = 5,275,700,745.41/80,831.52
  6. Step 6: Final answer
    x = 65,267.87

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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.