Home / 75,131.92-103,687.32-41,600.08

Finding the Fourth Proportional to 75,131.92, 103,687.32 and 41,600.08

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Solution

The fourth proportional to 75,131.92, 103,687.32 and 41,600.08 is: 57,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,131.92 : 103,687.32 = 41,600.08 : x
  2. Step 2: Convert to fraction form
    75,131.92/103,687.32 = 41,600.08/x
  3. Step 3: Cross multiply
    75,131.92x = 103,687.32 × 41,600.08
  4. Step 4: Simplify right side
    75,131.92x = 4,313,400,806.99
  5. Step 5: Solve for x
    x = 4,313,400,806.99/75,131.92
  6. Step 6: Final answer
    x = 57,411.03

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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.