Home / 56,611.09-84,940.88-19,175.12

Finding the Fourth Proportional to 56,611.09, 84,940.88 and 19,175.12

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Solution

The fourth proportional to 56,611.09, 84,940.88 and 19,175.12 is: 28,770.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,611.09 : 84,940.88 = 19,175.12 : x
  2. Step 2: Convert to fraction form
    56,611.09/84,940.88 = 19,175.12/x
  3. Step 3: Cross multiply
    56,611.09x = 84,940.88 × 19,175.12
  4. Step 4: Simplify right side
    56,611.09x = 1,628,751,046.33
  5. Step 5: Solve for x
    x = 1,628,751,046.33/56,611.09
  6. Step 6: Final answer
    x = 28,770.88

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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.