Home / 80,022.74-120,040.34-23,858.55

Finding the Fourth Proportional to 80,022.74, 120,040.34 and 23,858.55

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Solution

The fourth proportional to 80,022.74, 120,040.34 and 23,858.55 is: 35,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,022.74 : 120,040.34 = 23,858.55 : x
  2. Step 2: Convert to fraction form
    80,022.74/120,040.34 = 23,858.55/x
  3. Step 3: Cross multiply
    80,022.74x = 120,040.34 × 23,858.55
  4. Step 4: Simplify right side
    80,022.74x = 2,863,988,334.61
  5. Step 5: Solve for x
    x = 2,863,988,334.61/80,022.74
  6. Step 6: Final answer
    x = 35,789.68

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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.