Home / 83,782.32-125,646.63-27,609.84

Finding the Fourth Proportional to 83,782.32, 125,646.63 and 27,609.84

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Solution

The fourth proportional to 83,782.32, 125,646.63 and 27,609.84 is: 41,405.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,782.32 : 125,646.63 = 27,609.84 : x
  2. Step 2: Convert to fraction form
    83,782.32/125,646.63 = 27,609.84/x
  3. Step 3: Cross multiply
    83,782.32x = 125,646.63 × 27,609.84
  4. Step 4: Simplify right side
    83,782.32x = 3,469,083,350.84
  5. Step 5: Solve for x
    x = 3,469,083,350.84/83,782.32
  6. Step 6: Final answer
    x = 41,405.91

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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.