Home / 56,718.73-85,074.99-17,272.54

Finding the Fourth Proportional to 56,718.73, 85,074.99 and 17,272.54

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Solution

The fourth proportional to 56,718.73, 85,074.99 and 17,272.54 is: 25,907.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,718.73 : 85,074.99 = 17,272.54 : x
  2. Step 2: Convert to fraction form
    56,718.73/85,074.99 = 17,272.54/x
  3. Step 3: Cross multiply
    56,718.73x = 85,074.99 × 17,272.54
  4. Step 4: Simplify right side
    56,718.73x = 1,469,461,167.77
  5. Step 5: Solve for x
    x = 1,469,461,167.77/56,718.73
  6. Step 6: Final answer
    x = 25,907.86

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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.