Home / 83,788.06-125,700.63-27,645.54

Finding the Fourth Proportional to 83,788.06, 125,700.63 and 27,645.54

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Solution

The fourth proportional to 83,788.06, 125,700.63 and 27,645.54 is: 41,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,788.06 : 125,700.63 = 27,645.54 : x
  2. Step 2: Convert to fraction form
    83,788.06/125,700.63 = 27,645.54/x
  3. Step 3: Cross multiply
    83,788.06x = 125,700.63 × 27,645.54
  4. Step 4: Simplify right side
    83,788.06x = 3,475,061,794.69
  5. Step 5: Solve for x
    x = 3,475,061,794.69/83,788.06
  6. Step 6: Final answer
    x = 41,474.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.