Home / 111,729.77-154,190.07-60,745.93

Finding the Fourth Proportional to 111,729.77, 154,190.07 and 60,745.93

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Solution

The fourth proportional to 111,729.77, 154,190.07 and 60,745.93 is: 83,831.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,729.77 : 154,190.07 = 60,745.93 : x
  2. Step 2: Convert to fraction form
    111,729.77/154,190.07 = 60,745.93/x
  3. Step 3: Cross multiply
    111,729.77x = 154,190.07 × 60,745.93
  4. Step 4: Simplify right side
    111,729.77x = 9,366,419,198.92
  5. Step 5: Solve for x
    x = 9,366,419,198.92/111,729.77
  6. Step 6: Final answer
    x = 83,831.01

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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.