Home / 53,020.46-73,168.38-30,359.79

Finding the Fourth Proportional to 53,020.46, 73,168.38 and 30,359.79

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Solution

The fourth proportional to 53,020.46, 73,168.38 and 30,359.79 is: 41,896.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,020.46 : 73,168.38 = 30,359.79 : x
  2. Step 2: Convert to fraction form
    53,020.46/73,168.38 = 30,359.79/x
  3. Step 3: Cross multiply
    53,020.46x = 73,168.38 × 30,359.79
  4. Step 4: Simplify right side
    53,020.46x = 2,221,376,651.44
  5. Step 5: Solve for x
    x = 2,221,376,651.44/53,020.46
  6. Step 6: Final answer
    x = 41,896.59

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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.