Home / 83,905.98-125,828.99-27,735.72

Finding the Fourth Proportional to 83,905.98, 125,828.99 and 27,735.72

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Solution

The fourth proportional to 83,905.98, 125,828.99 and 27,735.72 is: 41,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,905.98 : 125,828.99 = 27,735.72 : x
  2. Step 2: Convert to fraction form
    83,905.98/125,828.99 = 27,735.72/x
  3. Step 3: Cross multiply
    83,905.98x = 125,828.99 × 27,735.72
  4. Step 4: Simplify right side
    83,905.98x = 3,489,957,284.01
  5. Step 5: Solve for x
    x = 3,489,957,284.01/83,905.98
  6. Step 6: Final answer
    x = 41,593.67

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1.5x scale

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.