Home / 82,148.20-123,234.95-34,763.54

Finding the Fourth Proportional to 82,148.20, 123,234.95 and 34,763.54

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Solution

The fourth proportional to 82,148.20, 123,234.95 and 34,763.54 is: 52,150.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,148.20 : 123,234.95 = 34,763.54 : x
  2. Step 2: Convert to fraction form
    82,148.20/123,234.95 = 34,763.54/x
  3. Step 3: Cross multiply
    82,148.20x = 123,234.95 × 34,763.54
  4. Step 4: Simplify right side
    82,148.20x = 4,284,082,584.46
  5. Step 5: Solve for x
    x = 4,284,082,584.46/82,148.20
  6. Step 6: Final answer
    x = 52,150.66

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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.