Home / 104,023.89-143,556.66-58,712.90

Finding the Fourth Proportional to 104,023.89, 143,556.66 and 58,712.90

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Solution

The fourth proportional to 104,023.89, 143,556.66 and 58,712.90 is: 81,025.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,023.89 : 143,556.66 = 58,712.90 : x
  2. Step 2: Convert to fraction form
    104,023.89/143,556.66 = 58,712.90/x
  3. Step 3: Cross multiply
    104,023.89x = 143,556.66 × 58,712.90
  4. Step 4: Simplify right side
    104,023.89x = 8,428,627,105.13
  5. Step 5: Solve for x
    x = 8,428,627,105.13/104,023.89
  6. Step 6: Final answer
    x = 81,025.88

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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.