Home / 79,031.18-118,578.82-34,634.54

Finding the Fourth Proportional to 79,031.18, 118,578.82 and 34,634.54

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Solution

The fourth proportional to 79,031.18, 118,578.82 and 34,634.54 is: 51,965.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,031.18 : 118,578.82 = 34,634.54 : x
  2. Step 2: Convert to fraction form
    79,031.18/118,578.82 = 34,634.54/x
  3. Step 3: Cross multiply
    79,031.18x = 118,578.82 × 34,634.54
  4. Step 4: Simplify right side
    79,031.18x = 4,106,922,884.44
  5. Step 5: Solve for x
    x = 4,106,922,884.44/79,031.18
  6. Step 6: Final answer
    x = 51,965.86

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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.