Home / 57,180.12-85,078.11-55,751.64

Finding the Fourth Proportional to 57,180.12, 85,078.11 and 55,751.64

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Solution

The fourth proportional to 57,180.12, 85,078.11 and 55,751.64 is: 82,952.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,180.12 : 85,078.11 = 55,751.64 : x
  2. Step 2: Convert to fraction form
    57,180.12/85,078.11 = 55,751.64/x
  3. Step 3: Cross multiply
    57,180.12x = 85,078.11 × 55,751.64
  4. Step 4: Simplify right side
    57,180.12x = 4,743,244,160.60
  5. Step 5: Solve for x
    x = 4,743,244,160.60/57,180.12
  6. Step 6: Final answer
    x = 82,952.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.