Home / 83,905.32-125,828-27,735.06

Finding the Fourth Proportional to 83,905.32, 125,828 and 27,735.06

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Solution

The fourth proportional to 83,905.32, 125,828 and 27,735.06 is: 41,592.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,905.32 : 125,828 = 27,735.06 : x
  2. Step 2: Convert to fraction form
    83,905.32/125,828 = 27,735.06/x
  3. Step 3: Cross multiply
    83,905.32x = 125,828 × 27,735.06
  4. Step 4: Simplify right side
    83,905.32x = 3,489,847,129.68
  5. Step 5: Solve for x
    x = 3,489,847,129.68/83,905.32
  6. Step 6: Final answer
    x = 41,592.68

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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.