Home / 76,486.06-114,711.76-29,084.25

Finding the Fourth Proportional to 76,486.06, 114,711.76 and 29,084.25

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Solution

The fourth proportional to 76,486.06, 114,711.76 and 29,084.25 is: 43,619.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,486.06 : 114,711.76 = 29,084.25 : x
  2. Step 2: Convert to fraction form
    76,486.06/114,711.76 = 29,084.25/x
  3. Step 3: Cross multiply
    76,486.06x = 114,711.76 × 29,084.25
  4. Step 4: Simplify right side
    76,486.06x = 3,336,305,542.14
  5. Step 5: Solve for x
    x = 3,336,305,542.14/76,486.06
  6. Step 6: Final answer
    x = 43,619.79

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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.