Home / 56,912.13-78,546.66-31,763.25

Finding the Fourth Proportional to 56,912.13, 78,546.66 and 31,763.25

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Solution

The fourth proportional to 56,912.13, 78,546.66 and 31,763.25 is: 43,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,912.13 : 78,546.66 = 31,763.25 : x
  2. Step 2: Convert to fraction form
    56,912.13/78,546.66 = 31,763.25/x
  3. Step 3: Cross multiply
    56,912.13x = 78,546.66 × 31,763.25
  4. Step 4: Simplify right side
    56,912.13x = 2,494,897,198.25
  5. Step 5: Solve for x
    x = 2,494,897,198.25/56,912.13
  6. Step 6: Final answer
    x = 43,837.71

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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.