Home / 71,849.33-99,143.09-41,634.10

Finding the Fourth Proportional to 71,849.33, 99,143.09 and 41,634.10

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Solution

The fourth proportional to 71,849.33, 99,143.09 and 41,634.10 is: 57,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,849.33 : 99,143.09 = 41,634.10 : x
  2. Step 2: Convert to fraction form
    71,849.33/99,143.09 = 41,634.10/x
  3. Step 3: Cross multiply
    71,849.33x = 99,143.09 × 41,634.10
  4. Step 4: Simplify right side
    71,849.33x = 4,127,733,395.26
  5. Step 5: Solve for x
    x = 4,127,733,395.26/71,849.33
  6. Step 6: Final answer
    x = 57,449.85

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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.