Home / 80,707.11-111,375.30-44,410.77

Finding the Fourth Proportional to 80,707.11, 111,375.30 and 44,410.77

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Solution

The fourth proportional to 80,707.11, 111,375.30 and 44,410.77 is: 61,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,707.11 : 111,375.30 = 44,410.77 : x
  2. Step 2: Convert to fraction form
    80,707.11/111,375.30 = 44,410.77/x
  3. Step 3: Cross multiply
    80,707.11x = 111,375.30 × 44,410.77
  4. Step 4: Simplify right side
    80,707.11x = 4,946,262,831.98
  5. Step 5: Solve for x
    x = 4,946,262,831.98/80,707.11
  6. Step 6: Final answer
    x = 61,286.58

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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.