Home / 104,185.56-143,789.18-58,865.80

Finding the Fourth Proportional to 104,185.56, 143,789.18 and 58,865.80

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Solution

The fourth proportional to 104,185.56, 143,789.18 and 58,865.80 is: 81,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,185.56 : 143,789.18 = 58,865.80 : x
  2. Step 2: Convert to fraction form
    104,185.56/143,789.18 = 58,865.80/x
  3. Step 3: Cross multiply
    104,185.56x = 143,789.18 × 58,865.80
  4. Step 4: Simplify right side
    104,185.56x = 8,464,265,112.04
  5. Step 5: Solve for x
    x = 8,464,265,112.04/104,185.56
  6. Step 6: Final answer
    x = 81,242.21

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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.