Home / 75,163.10-103,721.06-41,169.83

Finding the Fourth Proportional to 75,163.10, 103,721.06 and 41,169.83

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Solution

The fourth proportional to 75,163.10, 103,721.06 and 41,169.83 is: 56,812.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,163.10 : 103,721.06 = 41,169.83 : x
  2. Step 2: Convert to fraction form
    75,163.10/103,721.06 = 41,169.83/x
  3. Step 3: Cross multiply
    75,163.10x = 103,721.06 × 41,169.83
  4. Step 4: Simplify right side
    75,163.10x = 4,270,177,683.17
  5. Step 5: Solve for x
    x = 4,270,177,683.17/75,163.10
  6. Step 6: Final answer
    x = 56,812.16

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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.