Home / 57,865.20-86,836.20-32,905.20

Finding the Fourth Proportional to 57,865.20, 86,836.20 and 32,905.20

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Solution

The fourth proportional to 57,865.20, 86,836.20 and 32,905.20 is: 49,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,865.20 : 86,836.20 = 32,905.20 : x
  2. Step 2: Convert to fraction form
    57,865.20/86,836.20 = 32,905.20/x
  3. Step 3: Cross multiply
    57,865.20x = 86,836.20 × 32,905.20
  4. Step 4: Simplify right side
    57,865.20x = 2,857,362,528.24
  5. Step 5: Solve for x
    x = 2,857,362,528.24/57,865.20
  6. Step 6: Final answer
    x = 49,379.64

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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.