Home / 89,953.06-124,137.18-49,669.38

Finding the Fourth Proportional to 89,953.06, 124,137.18 and 49,669.38

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Solution

The fourth proportional to 89,953.06, 124,137.18 and 49,669.38 is: 68,544.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,953.06 : 124,137.18 = 49,669.38 : x
  2. Step 2: Convert to fraction form
    89,953.06/124,137.18 = 49,669.38/x
  3. Step 3: Cross multiply
    89,953.06x = 124,137.18 × 49,669.38
  4. Step 4: Simplify right side
    89,953.06x = 6,165,816,765.55
  5. Step 5: Solve for x
    x = 6,165,816,765.55/89,953.06
  6. Step 6: Final answer
    x = 68,544.83

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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.