Home / 62,982.12-86,911.38-34,687.81

Finding the Fourth Proportional to 62,982.12, 86,911.38 and 34,687.81

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Solution

The fourth proportional to 62,982.12, 86,911.38 and 34,687.81 is: 47,867.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,982.12 : 86,911.38 = 34,687.81 : x
  2. Step 2: Convert to fraction form
    62,982.12/86,911.38 = 34,687.81/x
  3. Step 3: Cross multiply
    62,982.12x = 86,911.38 × 34,687.81
  4. Step 4: Simplify right side
    62,982.12x = 3,014,765,544.92
  5. Step 5: Solve for x
    x = 3,014,765,544.92/62,982.12
  6. Step 6: Final answer
    x = 47,867.00

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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.