Home / 89,495.42-123,504.14-49,211.79

Finding the Fourth Proportional to 89,495.42, 123,504.14 and 49,211.79

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Solution

The fourth proportional to 89,495.42, 123,504.14 and 49,211.79 is: 67,912.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,495.42 : 123,504.14 = 49,211.79 : x
  2. Step 2: Convert to fraction form
    89,495.42/123,504.14 = 49,211.79/x
  3. Step 3: Cross multiply
    89,495.42x = 123,504.14 × 49,211.79
  4. Step 4: Simplify right side
    89,495.42x = 6,077,859,879.59
  5. Step 5: Solve for x
    x = 6,077,859,879.59/89,495.42
  6. Step 6: Final answer
    x = 67,912.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.