Home / 76,382.34-114,579.66-29,020.12

Finding the Fourth Proportional to 76,382.34, 114,579.66 and 29,020.12

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Solution

The fourth proportional to 76,382.34, 114,579.66 and 29,020.12 is: 43,532.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,382.34 : 114,579.66 = 29,020.12 : x
  2. Step 2: Convert to fraction form
    76,382.34/114,579.66 = 29,020.12/x
  3. Step 3: Cross multiply
    76,382.34x = 114,579.66 × 29,020.12
  4. Step 4: Simplify right side
    76,382.34x = 3,325,115,949.65
  5. Step 5: Solve for x
    x = 3,325,115,949.65/76,382.34
  6. Step 6: Final answer
    x = 43,532.52

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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.