Home / 49,775.67-68,689.89-28,558.26

Finding the Fourth Proportional to 49,775.67, 68,689.89 and 28,558.26

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Solution

The fourth proportional to 49,775.67, 68,689.89 and 28,558.26 is: 39,410.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,775.67 : 68,689.89 = 28,558.26 : x
  2. Step 2: Convert to fraction form
    49,775.67/68,689.89 = 28,558.26/x
  3. Step 3: Cross multiply
    49,775.67x = 68,689.89 × 28,558.26
  4. Step 4: Simplify right side
    49,775.67x = 1,961,663,737.99
  5. Step 5: Solve for x
    x = 1,961,663,737.99/49,775.67
  6. Step 6: Final answer
    x = 39,410.09

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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.