Home / 76,982.48-115,429.62-23,660.58

Finding the Fourth Proportional to 76,982.48, 115,429.62 and 23,660.58

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Solution

The fourth proportional to 76,982.48, 115,429.62 and 23,660.58 is: 35,477.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,982.48 : 115,429.62 = 23,660.58 : x
  2. Step 2: Convert to fraction form
    76,982.48/115,429.62 = 23,660.58/x
  3. Step 3: Cross multiply
    76,982.48x = 115,429.62 × 23,660.58
  4. Step 4: Simplify right side
    76,982.48x = 2,731,131,758.38
  5. Step 5: Solve for x
    x = 2,731,131,758.38/76,982.48
  6. Step 6: Final answer
    x = 35,477.32

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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.