Home / 76,982.73-115,429.99-23,660.83

Finding the Fourth Proportional to 76,982.73, 115,429.99 and 23,660.83

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Solution

The fourth proportional to 76,982.73, 115,429.99 and 23,660.83 is: 35,477.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,982.73 : 115,429.99 = 23,660.83 : x
  2. Step 2: Convert to fraction form
    76,982.73/115,429.99 = 23,660.83/x
  3. Step 3: Cross multiply
    76,982.73x = 115,429.99 × 23,660.83
  4. Step 4: Simplify right side
    76,982.73x = 2,731,169,370.29
  5. Step 5: Solve for x
    x = 2,731,169,370.29/76,982.73
  6. Step 6: Final answer
    x = 35,477.69

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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.