Home / 89,936.87-124,113.06-49,650.68

Finding the Fourth Proportional to 89,936.87, 124,113.06 and 49,650.68

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Solution

The fourth proportional to 89,936.87, 124,113.06 and 49,650.68 is: 68,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,936.87 : 124,113.06 = 49,650.68 : x
  2. Step 2: Convert to fraction form
    89,936.87/124,113.06 = 49,650.68/x
  3. Step 3: Cross multiply
    89,936.87x = 124,113.06 × 49,650.68
  4. Step 4: Simplify right side
    89,936.87x = 6,162,297,825.88
  5. Step 5: Solve for x
    x = 6,162,297,825.88/89,936.87
  6. Step 6: Final answer
    x = 68,518.04

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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.