Home / 82,336.36-123,669.87-49,121.32

Finding the Fourth Proportional to 82,336.36, 123,669.87 and 49,121.32

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Solution

The fourth proportional to 82,336.36, 123,669.87 and 49,121.32 is: 73,780.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,336.36 : 123,669.87 = 49,121.32 : x
  2. Step 2: Convert to fraction form
    82,336.36/123,669.87 = 49,121.32/x
  3. Step 3: Cross multiply
    82,336.36x = 123,669.87 × 49,121.32
  4. Step 4: Simplify right side
    82,336.36x = 6,074,826,394.67
  5. Step 5: Solve for x
    x = 6,074,826,394.67/82,336.36
  6. Step 6: Final answer
    x = 73,780.61

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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.