Home / 51,742.71-71,399.57-31,604.49

Finding the Fourth Proportional to 51,742.71, 71,399.57 and 31,604.49

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Solution

The fourth proportional to 51,742.71, 71,399.57 and 31,604.49 is: 43,610.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,742.71 : 71,399.57 = 31,604.49 : x
  2. Step 2: Convert to fraction form
    51,742.71/71,399.57 = 31,604.49/x
  3. Step 3: Cross multiply
    51,742.71x = 71,399.57 × 31,604.49
  4. Step 4: Simplify right side
    51,742.71x = 2,256,546,838.05
  5. Step 5: Solve for x
    x = 2,256,546,838.05/51,742.71
  6. Step 6: Final answer
    x = 43,610.91

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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.