Home / 49,512.87-74,269.17-12,072.51

Finding the Fourth Proportional to 49,512.87, 74,269.17 and 12,072.51

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Solution

The fourth proportional to 49,512.87, 74,269.17 and 12,072.51 is: 18,108.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,512.87 : 74,269.17 = 12,072.51 : x
  2. Step 2: Convert to fraction form
    49,512.87/74,269.17 = 12,072.51/x
  3. Step 3: Cross multiply
    49,512.87x = 74,269.17 × 12,072.51
  4. Step 4: Simplify right side
    49,512.87x = 896,615,297.52
  5. Step 5: Solve for x
    x = 896,615,297.52/49,512.87
  6. Step 6: Final answer
    x = 18,108.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.