Home / 29,139.24-43,704.02-8,081.44

Finding the Fourth Proportional to 29,139.24, 43,704.02 and 8,081.44

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Solution

The fourth proportional to 29,139.24, 43,704.02 and 8,081.44 is: 12,120.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,139.24 : 43,704.02 = 8,081.44 : x
  2. Step 2: Convert to fraction form
    29,139.24/43,704.02 = 8,081.44/x
  3. Step 3: Cross multiply
    29,139.24x = 43,704.02 × 8,081.44
  4. Step 4: Simplify right side
    29,139.24x = 353,191,415.39
  5. Step 5: Solve for x
    x = 353,191,415.39/29,139.24
  6. Step 6: Final answer
    x = 12,120.82

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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.