Home / 85,183.50-117,548.34-48,877.26

Finding the Fourth Proportional to 85,183.50, 117,548.34 and 48,877.26

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Solution

The fourth proportional to 85,183.50, 117,548.34 and 48,877.26 is: 67,447.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,183.50 : 117,548.34 = 48,877.26 : x
  2. Step 2: Convert to fraction form
    85,183.50/117,548.34 = 48,877.26/x
  3. Step 3: Cross multiply
    85,183.50x = 117,548.34 × 48,877.26
  4. Step 4: Simplify right side
    85,183.50x = 5,745,440,776.75
  5. Step 5: Solve for x
    x = 5,745,440,776.75/85,183.50
  6. Step 6: Final answer
    x = 67,447.81

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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.