Home / 57,724.84-86,516.50-32,785.85

Finding the Fourth Proportional to 57,724.84, 86,516.50 and 32,785.85

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Solution

The fourth proportional to 57,724.84, 86,516.50 and 32,785.85 is: 49,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,724.84 : 86,516.50 = 32,785.85 : x
  2. Step 2: Convert to fraction form
    57,724.84/86,516.50 = 32,785.85/x
  3. Step 3: Cross multiply
    57,724.84x = 86,516.50 × 32,785.85
  4. Step 4: Simplify right side
    57,724.84x = 2,836,516,991.53
  5. Step 5: Solve for x
    x = 2,836,516,991.53/57,724.84
  6. Step 6: Final answer
    x = 49,138.59

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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.