Home / 57,362.12-79,172.44-31,877.27

Finding the Fourth Proportional to 57,362.12, 79,172.44 and 31,877.27

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Solution

The fourth proportional to 57,362.12, 79,172.44 and 31,877.27 is: 43,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,362.12 : 79,172.44 = 31,877.27 : x
  2. Step 2: Convert to fraction form
    57,362.12/79,172.44 = 31,877.27/x
  3. Step 3: Cross multiply
    57,362.12x = 79,172.44 × 31,877.27
  4. Step 4: Simplify right side
    57,362.12x = 2,523,801,290.45
  5. Step 5: Solve for x
    x = 2,523,801,290.45/57,362.12
  6. Step 6: Final answer
    x = 43,997.70

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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.