Home / 112,467.78-168,704.70-49,255.38

Finding the Fourth Proportional to 112,467.78, 168,704.70 and 49,255.38

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Solution

The fourth proportional to 112,467.78, 168,704.70 and 49,255.38 is: 73,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,467.78 : 168,704.70 = 49,255.38 : x
  2. Step 2: Convert to fraction form
    112,467.78/168,704.70 = 49,255.38/x
  3. Step 3: Cross multiply
    112,467.78x = 168,704.70 × 49,255.38
  4. Step 4: Simplify right side
    112,467.78x = 8,309,614,106.29
  5. Step 5: Solve for x
    x = 8,309,614,106.29/112,467.78
  6. Step 6: Final answer
    x = 73,884.40

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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.