Home / 82,701.24-124,092.90-32,780.24

Finding the Fourth Proportional to 82,701.24, 124,092.90 and 32,780.24

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Solution

The fourth proportional to 82,701.24, 124,092.90 and 32,780.24 is: 49,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,701.24 : 124,092.90 = 32,780.24 : x
  2. Step 2: Convert to fraction form
    82,701.24/124,092.90 = 32,780.24/x
  3. Step 3: Cross multiply
    82,701.24x = 124,092.90 × 32,780.24
  4. Step 4: Simplify right side
    82,701.24x = 4,067,795,044.30
  5. Step 5: Solve for x
    x = 4,067,795,044.30/82,701.24
  6. Step 6: Final answer
    x = 49,186.63

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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.