Home / 89,576.81-123,618.93-49,293.49

Finding the Fourth Proportional to 89,576.81, 123,618.93 and 49,293.49

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Solution

The fourth proportional to 89,576.81, 123,618.93 and 49,293.49 is: 68,026.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,576.81 : 123,618.93 = 49,293.49 : x
  2. Step 2: Convert to fraction form
    89,576.81/123,618.93 = 49,293.49/x
  3. Step 3: Cross multiply
    89,576.81x = 123,618.93 × 49,293.49
  4. Step 4: Simplify right side
    89,576.81x = 6,093,608,489.77
  5. Step 5: Solve for x
    x = 6,093,608,489.77/89,576.81
  6. Step 6: Final answer
    x = 68,026.63

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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.