Home / 111,321.18-166,989.47-44,761.32

Finding the Fourth Proportional to 111,321.18, 166,989.47 and 44,761.32

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Solution

The fourth proportional to 111,321.18, 166,989.47 and 44,761.32 is: 67,145.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,321.18 : 166,989.47 = 44,761.32 : x
  2. Step 2: Convert to fraction form
    111,321.18/166,989.47 = 44,761.32/x
  3. Step 3: Cross multiply
    111,321.18x = 166,989.47 × 44,761.32
  4. Step 4: Simplify right side
    111,321.18x = 7,474,668,879.49
  5. Step 5: Solve for x
    x = 7,474,668,879.49/111,321.18
  6. Step 6: Final answer
    x = 67,145.07

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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.