Home / 53,185.82-73,395.32-29,311.88

Finding the Fourth Proportional to 53,185.82, 73,395.32 and 29,311.88

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Solution

The fourth proportional to 53,185.82, 73,395.32 and 29,311.88 is: 40,449.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,185.82 : 73,395.32 = 29,311.88 : x
  2. Step 2: Convert to fraction form
    53,185.82/73,395.32 = 29,311.88/x
  3. Step 3: Cross multiply
    53,185.82x = 73,395.32 × 29,311.88
  4. Step 4: Simplify right side
    53,185.82x = 2,151,354,812.40
  5. Step 5: Solve for x
    x = 2,151,354,812.40/53,185.82
  6. Step 6: Final answer
    x = 40,449.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.