Home / 76,287.30-114,354.96-36,236.04

Finding the Fourth Proportional to 76,287.30, 114,354.96 and 36,236.04

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Solution

The fourth proportional to 76,287.30, 114,354.96 and 36,236.04 is: 54,317.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,287.30 : 114,354.96 = 36,236.04 : x
  2. Step 2: Convert to fraction form
    76,287.30/114,354.96 = 36,236.04/x
  3. Step 3: Cross multiply
    76,287.30x = 114,354.96 × 36,236.04
  4. Step 4: Simplify right side
    76,287.30x = 4,143,770,904.76
  5. Step 5: Solve for x
    x = 4,143,770,904.76/76,287.30
  6. Step 6: Final answer
    x = 54,317.97

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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.