Home / 111,939.85-154,476.75-60,951.79

Finding the Fourth Proportional to 111,939.85, 154,476.75 and 60,951.79

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Solution

The fourth proportional to 111,939.85, 154,476.75 and 60,951.79 is: 84,113.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,939.85 : 154,476.75 = 60,951.79 : x
  2. Step 2: Convert to fraction form
    111,939.85/154,476.75 = 60,951.79/x
  3. Step 3: Cross multiply
    111,939.85x = 154,476.75 × 60,951.79
  4. Step 4: Simplify right side
    111,939.85x = 9,415,634,425.88
  5. Step 5: Solve for x
    x = 9,415,634,425.88/111,939.85
  6. Step 6: Final answer
    x = 84,113.34

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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.