Home / 81,996.06-122,994.24-22,831.73

Finding the Fourth Proportional to 81,996.06, 122,994.24 and 22,831.73

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Solution

The fourth proportional to 81,996.06, 122,994.24 and 22,831.73 is: 34,247.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,996.06 : 122,994.24 = 22,831.73 : x
  2. Step 2: Convert to fraction form
    81,996.06/122,994.24 = 22,831.73/x
  3. Step 3: Cross multiply
    81,996.06x = 122,994.24 × 22,831.73
  4. Step 4: Simplify right side
    81,996.06x = 2,808,171,279.24
  5. Step 5: Solve for x
    x = 2,808,171,279.24/81,996.06
  6. Step 6: Final answer
    x = 34,247.64

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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.