Home / 57,086.96-85,587.60-17,620.88

Finding the Fourth Proportional to 57,086.96, 85,587.60 and 17,620.88

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Solution

The fourth proportional to 57,086.96, 85,587.60 and 17,620.88 is: 26,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,086.96 : 85,587.60 = 17,620.88 : x
  2. Step 2: Convert to fraction form
    57,086.96/85,587.60 = 17,620.88/x
  3. Step 3: Cross multiply
    57,086.96x = 85,587.60 × 17,620.88
  4. Step 4: Simplify right side
    57,086.96x = 1,508,128,829.09
  5. Step 5: Solve for x
    x = 1,508,128,829.09/57,086.96
  6. Step 6: Final answer
    x = 26,418.10

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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.