Home / 57,731.10-86,596.65-36,735.90

Finding the Fourth Proportional to 57,731.10, 86,596.65 and 36,735.90

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Solution

The fourth proportional to 57,731.10, 86,596.65 and 36,735.90 is: 55,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,731.10 : 86,596.65 = 36,735.90 : x
  2. Step 2: Convert to fraction form
    57,731.10/86,596.65 = 36,735.90/x
  3. Step 3: Cross multiply
    57,731.10x = 86,596.65 × 36,735.90
  4. Step 4: Simplify right side
    57,731.10x = 3,181,205,874.74
  5. Step 5: Solve for x
    x = 3,181,205,874.74/57,731.10
  6. Step 6: Final answer
    x = 55,103.85

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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.