Home / 43,826.20-65,739.30-42,076.60

Finding the Fourth Proportional to 43,826.20, 65,739.30 and 42,076.60

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Solution

The fourth proportional to 43,826.20, 65,739.30 and 42,076.60 is: 63,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,826.20 : 65,739.30 = 42,076.60 : x
  2. Step 2: Convert to fraction form
    43,826.20/65,739.30 = 42,076.60/x
  3. Step 3: Cross multiply
    43,826.20x = 65,739.30 × 42,076.60
  4. Step 4: Simplify right side
    43,826.20x = 2,766,086,230.38
  5. Step 5: Solve for x
    x = 2,766,086,230.38/43,826.20
  6. Step 6: Final answer
    x = 63,114.90

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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.