Home / 50,732.04-76,112.82-21,134.64

Finding the Fourth Proportional to 50,732.04, 76,112.82 and 21,134.64

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Solution

The fourth proportional to 50,732.04, 76,112.82 and 21,134.64 is: 31,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,732.04 : 76,112.82 = 21,134.64 : x
  2. Step 2: Convert to fraction form
    50,732.04/76,112.82 = 21,134.64/x
  3. Step 3: Cross multiply
    50,732.04x = 76,112.82 × 21,134.64
  4. Step 4: Simplify right side
    50,732.04x = 1,608,617,050.08
  5. Step 5: Solve for x
    x = 1,608,617,050.08/50,732.04
  6. Step 6: Final answer
    x = 31,708.11

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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.