Home / 82,716.59-123,976.47-47,582.44

Finding the Fourth Proportional to 82,716.59, 123,976.47 and 47,582.44

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Solution

The fourth proportional to 82,716.59, 123,976.47 and 47,582.44 is: 71,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,716.59 : 123,976.47 = 47,582.44 : x
  2. Step 2: Convert to fraction form
    82,716.59/123,976.47 = 47,582.44/x
  3. Step 3: Cross multiply
    82,716.59x = 123,976.47 × 47,582.44
  4. Step 4: Simplify right side
    82,716.59x = 5,899,102,813.68
  5. Step 5: Solve for x
    x = 5,899,102,813.68/82,716.59
  6. Step 6: Final answer
    x = 71,317.04

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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.