Home / 95,442.82-143,039.68-53,321.20

Finding the Fourth Proportional to 95,442.82, 143,039.68 and 53,321.20

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Solution

The fourth proportional to 95,442.82, 143,039.68 and 53,321.20 is: 79,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,442.82 : 143,039.68 = 53,321.20 : x
  2. Step 2: Convert to fraction form
    95,442.82/143,039.68 = 53,321.20/x
  3. Step 3: Cross multiply
    95,442.82x = 143,039.68 × 53,321.20
  4. Step 4: Simplify right side
    95,442.82x = 7,627,047,385.22
  5. Step 5: Solve for x
    x = 7,627,047,385.22/95,442.82
  6. Step 6: Final answer
    x = 79,912.22

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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.