Home / 83,912.45-125,838.68-27,742.19

Finding the Fourth Proportional to 83,912.45, 125,838.68 and 27,742.19

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Solution

The fourth proportional to 83,912.45, 125,838.68 and 27,742.19 is: 41,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,912.45 : 125,838.68 = 27,742.19 : x
  2. Step 2: Convert to fraction form
    83,912.45/125,838.68 = 27,742.19/x
  3. Step 3: Cross multiply
    83,912.45x = 125,838.68 × 27,742.19
  4. Step 4: Simplify right side
    83,912.45x = 3,491,039,802.00
  5. Step 5: Solve for x
    x = 3,491,039,802.00/83,912.45
  6. Step 6: Final answer
    x = 41,603.36

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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.