Home / 70,986.24-106,469.28-41,418

Finding the Fourth Proportional to 70,986.24, 106,469.28 and 41,418

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Solution

The fourth proportional to 70,986.24, 106,469.28 and 41,418 is: 62,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,986.24 : 106,469.28 = 41,418 : x
  2. Step 2: Convert to fraction form
    70,986.24/106,469.28 = 41,418/x
  3. Step 3: Cross multiply
    70,986.24x = 106,469.28 × 41,418
  4. Step 4: Simplify right side
    70,986.24x = 4,409,744,639.04
  5. Step 5: Solve for x
    x = 4,409,744,639.04/70,986.24
  6. Step 6: Final answer
    x = 62,121.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.