Home / 83,558.58-125,363.88-27,399.12

Finding the Fourth Proportional to 83,558.58, 125,363.88 and 27,399.12

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Solution

The fourth proportional to 83,558.58, 125,363.88 and 27,399.12 is: 41,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,558.58 : 125,363.88 = 27,399.12 : x
  2. Step 2: Convert to fraction form
    83,558.58/125,363.88 = 27,399.12/x
  3. Step 3: Cross multiply
    83,558.58x = 125,363.88 × 27,399.12
  4. Step 4: Simplify right side
    83,558.58x = 3,434,859,991.79
  5. Step 5: Solve for x
    x = 3,434,859,991.79/83,558.58
  6. Step 6: Final answer
    x = 41,107.21

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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.