Home / 83,025.75-114,563.97-47,211.80

Finding the Fourth Proportional to 83,025.75, 114,563.97 and 47,211.80

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Solution

The fourth proportional to 83,025.75, 114,563.97 and 47,211.80 is: 65,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,025.75 : 114,563.97 = 47,211.80 : x
  2. Step 2: Convert to fraction form
    83,025.75/114,563.97 = 47,211.80/x
  3. Step 3: Cross multiply
    83,025.75x = 114,563.97 × 47,211.80
  4. Step 4: Simplify right side
    83,025.75x = 5,408,770,666.03
  5. Step 5: Solve for x
    x = 5,408,770,666.03/83,025.75
  6. Step 6: Final answer
    x = 65,145.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.