Home / 76,982.23-115,429.25-23,660.33

Finding the Fourth Proportional to 76,982.23, 115,429.25 and 23,660.33

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Solution

The fourth proportional to 76,982.23, 115,429.25 and 23,660.33 is: 35,476.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,982.23 : 115,429.25 = 23,660.33 : x
  2. Step 2: Convert to fraction form
    76,982.23/115,429.25 = 23,660.33/x
  3. Step 3: Cross multiply
    76,982.23x = 115,429.25 × 23,660.33
  4. Step 4: Simplify right side
    76,982.23x = 2,731,094,028.35
  5. Step 5: Solve for x
    x = 2,731,094,028.35/76,982.23
  6. Step 6: Final answer
    x = 35,476.94

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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.