Home / 82,747.44-124,120.98-30,135.42

Finding the Fourth Proportional to 82,747.44, 124,120.98 and 30,135.42

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Solution

The fourth proportional to 82,747.44, 124,120.98 and 30,135.42 is: 45,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,747.44 : 124,120.98 = 30,135.42 : x
  2. Step 2: Convert to fraction form
    82,747.44/124,120.98 = 30,135.42/x
  3. Step 3: Cross multiply
    82,747.44x = 124,120.98 × 30,135.42
  4. Step 4: Simplify right side
    82,747.44x = 3,740,437,863.11
  5. Step 5: Solve for x
    x = 3,740,437,863.11/82,747.44
  6. Step 6: Final answer
    x = 45,203.06

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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.