Home / 57,716.03-86,578.97-20,272.83

Finding the Fourth Proportional to 57,716.03, 86,578.97 and 20,272.83

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Solution

The fourth proportional to 57,716.03, 86,578.97 and 20,272.83 is: 30,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,716.03 : 86,578.97 = 20,272.83 : x
  2. Step 2: Convert to fraction form
    57,716.03/86,578.97 = 20,272.83/x
  3. Step 3: Cross multiply
    57,716.03x = 86,578.97 × 20,272.83
  4. Step 4: Simplify right side
    57,716.03x = 1,755,200,639.02
  5. Step 5: Solve for x
    x = 1,755,200,639.02/57,716.03
  6. Step 6: Final answer
    x = 30,410.98

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1.5x scale

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.