Home / 83,455.31-125,198.66-33,539.27

Finding the Fourth Proportional to 83,455.31, 125,198.66 and 33,539.27

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Solution

The fourth proportional to 83,455.31, 125,198.66 and 33,539.27 is: 50,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,455.31 : 125,198.66 = 33,539.27 : x
  2. Step 2: Convert to fraction form
    83,455.31/125,198.66 = 33,539.27/x
  3. Step 3: Cross multiply
    83,455.31x = 125,198.66 × 33,539.27
  4. Step 4: Simplify right side
    83,455.31x = 4,199,071,119.23
  5. Step 5: Solve for x
    x = 4,199,071,119.23/83,455.31
  6. Step 6: Final answer
    x = 50,315.20

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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.