Home / 75,143.24-103,697.94-41,609.24

Finding the Fourth Proportional to 75,143.24, 103,697.94 and 41,609.24

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Solution

The fourth proportional to 75,143.24, 103,697.94 and 41,609.24 is: 57,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,143.24 : 103,697.94 = 41,609.24 : x
  2. Step 2: Convert to fraction form
    75,143.24/103,697.94 = 41,609.24/x
  3. Step 3: Cross multiply
    75,143.24x = 103,697.94 × 41,609.24
  4. Step 4: Simplify right side
    75,143.24x = 4,314,792,472.97
  5. Step 5: Solve for x
    x = 4,314,792,472.97/75,143.24
  6. Step 6: Final answer
    x = 57,420.90

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1.5x scale

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.