Home / 103,751.03-143,177.78-60,757.31

Finding the Fourth Proportional to 103,751.03, 143,177.78 and 60,757.31

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Solution

The fourth proportional to 103,751.03, 143,177.78 and 60,757.31 is: 83,845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,751.03 : 143,177.78 = 60,757.31 : x
  2. Step 2: Convert to fraction form
    103,751.03/143,177.78 = 60,757.31/x
  3. Step 3: Cross multiply
    103,751.03x = 143,177.78 × 60,757.31
  4. Step 4: Simplify right side
    103,751.03x = 8,699,096,764.57
  5. Step 5: Solve for x
    x = 8,699,096,764.57/103,751.03
  6. Step 6: Final answer
    x = 83,845.88

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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.