Home / 103,949.48-143,450.44-56,202.86

Finding the Fourth Proportional to 103,949.48, 143,450.44 and 56,202.86

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Solution

The fourth proportional to 103,949.48, 143,450.44 and 56,202.86 is: 77,560.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,949.48 : 143,450.44 = 56,202.86 : x
  2. Step 2: Convert to fraction form
    103,949.48/143,450.44 = 56,202.86/x
  3. Step 3: Cross multiply
    103,949.48x = 143,450.44 × 56,202.86
  4. Step 4: Simplify right side
    103,949.48x = 8,062,324,996.26
  5. Step 5: Solve for x
    x = 8,062,324,996.26/103,949.48
  6. Step 6: Final answer
    x = 77,560.03

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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.