Home / 95,453.25-143,143.86-76,687.17

Finding the Fourth Proportional to 95,453.25, 143,143.86 and 76,687.17

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Solution

The fourth proportional to 95,453.25, 143,143.86 and 76,687.17 is: 115,001.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,453.25 : 143,143.86 = 76,687.17 : x
  2. Step 2: Convert to fraction form
    95,453.25/143,143.86 = 76,687.17/x
  3. Step 3: Cross multiply
    95,453.25x = 143,143.86 × 76,687.17
  4. Step 4: Simplify right side
    95,453.25x = 10,977,297,526.28
  5. Step 5: Solve for x
    x = 10,977,297,526.28/95,453.25
  6. Step 6: Final answer
    x = 115,001.82

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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.