Home / 112,464.06-155,198.31-62,161.98

Finding the Fourth Proportional to 112,464.06, 155,198.31 and 62,161.98

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Solution

The fourth proportional to 112,464.06, 155,198.31 and 62,161.98 is: 85,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,464.06 : 155,198.31 = 62,161.98 : x
  2. Step 2: Convert to fraction form
    112,464.06/155,198.31 = 62,161.98/x
  3. Step 3: Cross multiply
    112,464.06x = 155,198.31 × 62,161.98
  4. Step 4: Simplify right side
    112,464.06x = 9,647,434,242.25
  5. Step 5: Solve for x
    x = 9,647,434,242.25/112,464.06
  6. Step 6: Final answer
    x = 85,782.38

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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.