Home / 51,336.69-70,843.88-28,676.03

Finding the Fourth Proportional to 51,336.69, 70,843.88 and 28,676.03

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Solution

The fourth proportional to 51,336.69, 70,843.88 and 28,676.03 is: 39,572.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,336.69 : 70,843.88 = 28,676.03 : x
  2. Step 2: Convert to fraction form
    51,336.69/70,843.88 = 28,676.03/x
  3. Step 3: Cross multiply
    51,336.69x = 70,843.88 × 28,676.03
  4. Step 4: Simplify right side
    51,336.69x = 2,031,520,730.60
  5. Step 5: Solve for x
    x = 2,031,520,730.60/51,336.69
  6. Step 6: Final answer
    x = 39,572.49

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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.