Home / 51,072.26-70,481.16-28,411.97

Finding the Fourth Proportional to 51,072.26, 70,481.16 and 28,411.97

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Solution

The fourth proportional to 51,072.26, 70,481.16 and 28,411.97 is: 39,209.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,072.26 : 70,481.16 = 28,411.97 : x
  2. Step 2: Convert to fraction form
    51,072.26/70,481.16 = 28,411.97/x
  3. Step 3: Cross multiply
    51,072.26x = 70,481.16 × 28,411.97
  4. Step 4: Simplify right side
    51,072.26x = 2,002,508,461.43
  5. Step 5: Solve for x
    x = 2,002,508,461.43/51,072.26
  6. Step 6: Final answer
    x = 39,209.32

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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.