Home / 57,086.66-85,638.18-17,646.84

Finding the Fourth Proportional to 57,086.66, 85,638.18 and 17,646.84

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Solution

The fourth proportional to 57,086.66, 85,638.18 and 17,646.84 is: 26,472.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,086.66 : 85,638.18 = 17,646.84 : x
  2. Step 2: Convert to fraction form
    57,086.66/85,638.18 = 17,646.84/x
  3. Step 3: Cross multiply
    57,086.66x = 85,638.18 × 17,646.84
  4. Step 4: Simplify right side
    57,086.66x = 1,511,243,260.35
  5. Step 5: Solve for x
    x = 1,511,243,260.35/57,086.66
  6. Step 6: Final answer
    x = 26,472.79

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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.