Home / 42,629.68-63,939.66-11,467.36

Finding the Fourth Proportional to 42,629.68, 63,939.66 and 11,467.36

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Solution

The fourth proportional to 42,629.68, 63,939.66 and 11,467.36 is: 17,199.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,629.68 : 63,939.66 = 11,467.36 : x
  2. Step 2: Convert to fraction form
    42,629.68/63,939.66 = 11,467.36/x
  3. Step 3: Cross multiply
    42,629.68x = 63,939.66 × 11,467.36
  4. Step 4: Simplify right side
    42,629.68x = 733,219,099.50
  5. Step 5: Solve for x
    x = 733,219,099.50/42,629.68
  6. Step 6: Final answer
    x = 17,199.73

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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.