Home / 55,240.96-76,229.60-31,367.04

Finding the Fourth Proportional to 55,240.96, 76,229.60 and 31,367.04

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Solution

The fourth proportional to 55,240.96, 76,229.60 and 31,367.04 is: 43,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,240.96 : 76,229.60 = 31,367.04 : x
  2. Step 2: Convert to fraction form
    55,240.96/76,229.60 = 31,367.04/x
  3. Step 3: Cross multiply
    55,240.96x = 76,229.60 × 31,367.04
  4. Step 4: Simplify right side
    55,240.96x = 2,391,096,912.38
  5. Step 5: Solve for x
    x = 2,391,096,912.38/55,240.96
  6. Step 6: Final answer
    x = 43,284.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.