Home / 83,834.90-125,725.62-27,664.56

Finding the Fourth Proportional to 83,834.90, 125,725.62 and 27,664.56

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Solution

The fourth proportional to 83,834.90, 125,725.62 and 27,664.56 is: 41,488.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,834.90 : 125,725.62 = 27,664.56 : x
  2. Step 2: Convert to fraction form
    83,834.90/125,725.62 = 27,664.56/x
  3. Step 3: Cross multiply
    83,834.90x = 125,725.62 × 27,664.56
  4. Step 4: Simplify right side
    83,834.90x = 3,478,143,958.03
  5. Step 5: Solve for x
    x = 3,478,143,958.03/83,834.90
  6. Step 6: Final answer
    x = 41,488.02

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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.