Home / 82,833.98-124,131.92-35,436.20

Finding the Fourth Proportional to 82,833.98, 124,131.92 and 35,436.20

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Solution

The fourth proportional to 82,833.98, 124,131.92 and 35,436.20 is: 53,103.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,833.98 : 124,131.92 = 35,436.20 : x
  2. Step 2: Convert to fraction form
    82,833.98/124,131.92 = 35,436.20/x
  3. Step 3: Cross multiply
    82,833.98x = 124,131.92 × 35,436.20
  4. Step 4: Simplify right side
    82,833.98x = 4,398,762,745.66
  5. Step 5: Solve for x
    x = 4,398,762,745.66/82,833.98
  6. Step 6: Final answer
    x = 53,103.36

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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.