Home / 57,620.31-86,315.18-45,794.04

Finding the Fourth Proportional to 57,620.31, 86,315.18 and 45,794.04

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Solution

The fourth proportional to 57,620.31, 86,315.18 and 45,794.04 is: 68,599.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,620.31 : 86,315.18 = 45,794.04 : x
  2. Step 2: Convert to fraction form
    57,620.31/86,315.18 = 45,794.04/x
  3. Step 3: Cross multiply
    57,620.31x = 86,315.18 × 45,794.04
  4. Step 4: Simplify right side
    57,620.31x = 3,952,720,576.56
  5. Step 5: Solve for x
    x = 3,952,720,576.56/57,620.31
  6. Step 6: Final answer
    x = 68,599.43

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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.