Home / 71,858.10-99,173.43-41,243.22

Finding the Fourth Proportional to 71,858.10, 99,173.43 and 41,243.22

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Solution

The fourth proportional to 71,858.10, 99,173.43 and 41,243.22 is: 56,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,858.10 : 99,173.43 = 41,243.22 : x
  2. Step 2: Convert to fraction form
    71,858.10/99,173.43 = 41,243.22/x
  3. Step 3: Cross multiply
    71,858.10x = 99,173.43 × 41,243.22
  4. Step 4: Simplify right side
    71,858.10x = 4,090,231,591.64
  5. Step 5: Solve for x
    x = 4,090,231,591.64/71,858.10
  6. Step 6: Final answer
    x = 56,920.95

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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.