Home / 50,842.10-76,256.61-13,405.11

Finding the Fourth Proportional to 50,842.10, 76,256.61 and 13,405.11

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Solution

The fourth proportional to 50,842.10, 76,256.61 and 13,405.11 is: 20,105.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,842.10 : 76,256.61 = 13,405.11 : x
  2. Step 2: Convert to fraction form
    50,842.10/76,256.61 = 13,405.11/x
  3. Step 3: Cross multiply
    50,842.10x = 76,256.61 × 13,405.11
  4. Step 4: Simplify right side
    50,842.10x = 1,022,228,245.28
  5. Step 5: Solve for x
    x = 1,022,228,245.28/50,842.10
  6. Step 6: Final answer
    x = 20,105.94

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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.