Home / 82,653.49-123,950.20-35,273.61

Finding the Fourth Proportional to 82,653.49, 123,950.20 and 35,273.61

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Solution

The fourth proportional to 82,653.49, 123,950.20 and 35,273.61 is: 52,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,653.49 : 123,950.20 = 35,273.61 : x
  2. Step 2: Convert to fraction form
    82,653.49/123,950.20 = 35,273.61/x
  3. Step 3: Cross multiply
    82,653.49x = 123,950.20 × 35,273.61
  4. Step 4: Simplify right side
    82,653.49x = 4,372,171,515.09
  5. Step 5: Solve for x
    x = 4,372,171,515.09/82,653.49
  6. Step 6: Final answer
    x = 52,897.60

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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.