Home / 104,965.56-144,851.37-57,217.89

Finding the Fourth Proportional to 104,965.56, 144,851.37 and 57,217.89

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Solution

The fourth proportional to 104,965.56, 144,851.37 and 57,217.89 is: 78,960.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,965.56 : 144,851.37 = 57,217.89 : x
  2. Step 2: Convert to fraction form
    104,965.56/144,851.37 = 57,217.89/x
  3. Step 3: Cross multiply
    104,965.56x = 144,851.37 × 57,217.89
  4. Step 4: Simplify right side
    104,965.56x = 8,288,089,755.01
  5. Step 5: Solve for x
    x = 8,288,089,755.01/104,965.56
  6. Step 6: Final answer
    x = 78,960.09

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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.