Home / 71,771.24-99,037.87-41,558.61

Finding the Fourth Proportional to 71,771.24, 99,037.87 and 41,558.61

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Solution

The fourth proportional to 71,771.24, 99,037.87 and 41,558.61 is: 57,347.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,771.24 : 99,037.87 = 41,558.61 : x
  2. Step 2: Convert to fraction form
    71,771.24/99,037.87 = 41,558.61/x
  3. Step 3: Cross multiply
    71,771.24x = 99,037.87 × 41,558.61
  4. Step 4: Simplify right side
    71,771.24x = 4,115,876,214.56
  5. Step 5: Solve for x
    x = 4,115,876,214.56/71,771.24
  6. Step 6: Final answer
    x = 57,347.15

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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.