Home / 62,839.87-86,720.68-34,161.46

Finding the Fourth Proportional to 62,839.87, 86,720.68 and 34,161.46

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Solution

The fourth proportional to 62,839.87, 86,720.68 and 34,161.46 is: 47,143.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,839.87 : 86,720.68 = 34,161.46 : x
  2. Step 2: Convert to fraction form
    62,839.87/86,720.68 = 34,161.46/x
  3. Step 3: Cross multiply
    62,839.87x = 86,720.68 × 34,161.46
  4. Step 4: Simplify right side
    62,839.87x = 2,962,505,040.99
  5. Step 5: Solve for x
    x = 2,962,505,040.99/62,839.87
  6. Step 6: Final answer
    x = 47,143.72

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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.