Home / 57,725.84-86,518-32,786.85

Finding the Fourth Proportional to 57,725.84, 86,518 and 32,786.85

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Solution

The fourth proportional to 57,725.84, 86,518 and 32,786.85 is: 49,140.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,725.84 : 86,518 = 32,786.85 : x
  2. Step 2: Convert to fraction form
    57,725.84/86,518 = 32,786.85/x
  3. Step 3: Cross multiply
    57,725.84x = 86,518 × 32,786.85
  4. Step 4: Simplify right side
    57,725.84x = 2,836,652,688.30
  5. Step 5: Solve for x
    x = 2,836,652,688.30/57,725.84
  6. Step 6: Final answer
    x = 49,140.09

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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.