Home / 75,155.27-103,710.57-41,163.90

Finding the Fourth Proportional to 75,155.27, 103,710.57 and 41,163.90

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Solution

The fourth proportional to 75,155.27, 103,710.57 and 41,163.90 is: 56,804.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,155.27 : 103,710.57 = 41,163.90 : x
  2. Step 2: Convert to fraction form
    75,155.27/103,710.57 = 41,163.90/x
  3. Step 3: Cross multiply
    75,155.27x = 103,710.57 × 41,163.90
  4. Step 4: Simplify right side
    75,155.27x = 4,269,131,532.42
  5. Step 5: Solve for x
    x = 4,269,131,532.42/75,155.27
  6. Step 6: Final answer
    x = 56,804.15

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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.