Home / 49,676.16-68,552.78-28,169.98

Finding the Fourth Proportional to 49,676.16, 68,552.78 and 28,169.98

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Solution

The fourth proportional to 49,676.16, 68,552.78 and 28,169.98 is: 38,874.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,676.16 : 68,552.78 = 28,169.98 : x
  2. Step 2: Convert to fraction form
    49,676.16/68,552.78 = 28,169.98/x
  3. Step 3: Cross multiply
    49,676.16x = 68,552.78 × 28,169.98
  4. Step 4: Simplify right side
    49,676.16x = 1,931,130,441.54
  5. Step 5: Solve for x
    x = 1,931,130,441.54/49,676.16
  6. Step 6: Final answer
    x = 38,874.39

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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.