Home / 82,942.42-124,391.76-30,352.36

Finding the Fourth Proportional to 82,942.42, 124,391.76 and 30,352.36

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Solution

The fourth proportional to 82,942.42, 124,391.76 and 30,352.36 is: 45,520.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,942.42 : 124,391.76 = 30,352.36 : x
  2. Step 2: Convert to fraction form
    82,942.42/124,391.76 = 30,352.36/x
  3. Step 3: Cross multiply
    82,942.42x = 124,391.76 × 30,352.36
  4. Step 4: Simplify right side
    82,942.42x = 3,775,583,480.55
  5. Step 5: Solve for x
    x = 3,775,583,480.55/82,942.42
  6. Step 6: Final answer
    x = 45,520.54

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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.