Home / 95,422.30-143,133.45-53,431.90

Finding the Fourth Proportional to 95,422.30, 143,133.45 and 53,431.90

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Solution

The fourth proportional to 95,422.30, 143,133.45 and 53,431.90 is: 80,147.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,422.30 : 143,133.45 = 53,431.90 : x
  2. Step 2: Convert to fraction form
    95,422.30/143,133.45 = 53,431.90/x
  3. Step 3: Cross multiply
    95,422.30x = 143,133.45 × 53,431.90
  4. Step 4: Simplify right side
    95,422.30x = 7,647,892,187.06
  5. Step 5: Solve for x
    x = 7,647,892,187.06/95,422.30
  6. Step 6: Final answer
    x = 80,147.85

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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.