Home / 83,608.20-125,453.30-39,238.56

Finding the Fourth Proportional to 83,608.20, 125,453.30 and 39,238.56

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Solution

The fourth proportional to 83,608.20, 125,453.30 and 39,238.56 is: 58,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,608.20 : 125,453.30 = 39,238.56 : x
  2. Step 2: Convert to fraction form
    83,608.20/125,453.30 = 39,238.56/x
  3. Step 3: Cross multiply
    83,608.20x = 125,453.30 × 39,238.56
  4. Step 4: Simplify right side
    83,608.20x = 4,922,606,015.79
  5. Step 5: Solve for x
    x = 4,922,606,015.79/83,608.20
  6. Step 6: Final answer
    x = 58,877.08

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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.