Home / 57,634.96-86,475.48-20,701.84

Finding the Fourth Proportional to 57,634.96, 86,475.48 and 20,701.84

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Solution

The fourth proportional to 57,634.96, 86,475.48 and 20,701.84 is: 31,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,634.96 : 86,475.48 = 20,701.84 : x
  2. Step 2: Convert to fraction form
    57,634.96/86,475.48 = 20,701.84/x
  3. Step 3: Cross multiply
    57,634.96x = 86,475.48 × 20,701.84
  4. Step 4: Simplify right side
    57,634.96x = 1,790,201,550.88
  5. Step 5: Solve for x
    x = 1,790,201,550.88/57,634.96
  6. Step 6: Final answer
    x = 31,061.04

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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.