Home / 53,474.33-73,796.31-30,811.56

Finding the Fourth Proportional to 53,474.33, 73,796.31 and 30,811.56

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Solution

The fourth proportional to 53,474.33, 73,796.31 and 30,811.56 is: 42,520.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,474.33 : 73,796.31 = 30,811.56 : x
  2. Step 2: Convert to fraction form
    53,474.33/73,796.31 = 30,811.56/x
  3. Step 3: Cross multiply
    53,474.33x = 73,796.31 × 30,811.56
  4. Step 4: Simplify right side
    53,474.33x = 2,273,779,433.34
  5. Step 5: Solve for x
    x = 2,273,779,433.34/53,474.33
  6. Step 6: Final answer
    x = 42,520.96

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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.