Home / 57,089.97-85,635-17,646.21

Finding the Fourth Proportional to 57,089.97, 85,635 and 17,646.21

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Solution

The fourth proportional to 57,089.97, 85,635 and 17,646.21 is: 26,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,089.97 : 85,635 = 17,646.21 : x
  2. Step 2: Convert to fraction form
    57,089.97/85,635 = 17,646.21/x
  3. Step 3: Cross multiply
    57,089.97x = 85,635 × 17,646.21
  4. Step 4: Simplify right side
    57,089.97x = 1,511,133,193.35
  5. Step 5: Solve for x
    x = 1,511,133,193.35/57,089.97
  6. Step 6: Final answer
    x = 26,469.33

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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.