Home / 55,147.44-82,587.90-31,383

Finding the Fourth Proportional to 55,147.44, 82,587.90 and 31,383

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Solution

The fourth proportional to 55,147.44, 82,587.90 and 31,383 is: 46,998.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,147.44 : 82,587.90 = 31,383 : x
  2. Step 2: Convert to fraction form
    55,147.44/82,587.90 = 31,383/x
  3. Step 3: Cross multiply
    55,147.44x = 82,587.90 × 31,383
  4. Step 4: Simplify right side
    55,147.44x = 2,591,856,065.70
  5. Step 5: Solve for x
    x = 2,591,856,065.70/55,147.44
  6. Step 6: Final answer
    x = 46,998.67

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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.