Home / 51,706.45-71,361.62-31,559.14

Finding the Fourth Proportional to 51,706.45, 71,361.62 and 31,559.14

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Solution

The fourth proportional to 51,706.45, 71,361.62 and 31,559.14 is: 43,555.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,706.45 : 71,361.62 = 31,559.14 : x
  2. Step 2: Convert to fraction form
    51,706.45/71,361.62 = 31,559.14/x
  3. Step 3: Cross multiply
    51,706.45x = 71,361.62 × 31,559.14
  4. Step 4: Simplify right side
    51,706.45x = 2,252,111,356.21
  5. Step 5: Solve for x
    x = 2,252,111,356.21/51,706.45
  6. Step 6: Final answer
    x = 43,555.71

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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.