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Finding the Fourth Proportional to 71,896.83, 99,205.94 and 41,676.24

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Solution

The fourth proportional to 71,896.83, 99,205.94 and 41,676.24 is: 57,506.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,896.83 : 99,205.94 = 41,676.24 : x
  2. Step 2: Convert to fraction form
    71,896.83/99,205.94 = 41,676.24/x
  3. Step 3: Cross multiply
    71,896.83x = 99,205.94 × 41,676.24
  4. Step 4: Simplify right side
    71,896.83x = 4,134,530,356.48
  5. Step 5: Solve for x
    x = 4,134,530,356.48/71,896.83
  6. Step 6: Final answer
    x = 57,506.43

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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.