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Finding the Fourth Proportional to 85,375.56, 117,813.48 and 47,652.24

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Solution

The fourth proportional to 85,375.56, 117,813.48 and 47,652.24 is: 65,757.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,375.56 : 117,813.48 = 47,652.24 : x
  2. Step 2: Convert to fraction form
    85,375.56/117,813.48 = 47,652.24/x
  3. Step 3: Cross multiply
    85,375.56x = 117,813.48 × 47,652.24
  4. Step 4: Simplify right side
    85,375.56x = 5,614,076,224.20
  5. Step 5: Solve for x
    x = 5,614,076,224.20/85,375.56
  6. Step 6: Final answer
    x = 65,757.42

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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.