Home / 73,918.12-110,895.60-21,327.60

Finding the Fourth Proportional to 73,918.12, 110,895.60 and 21,327.60

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Solution

The fourth proportional to 73,918.12, 110,895.60 and 21,327.60 is: 31,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,918.12 : 110,895.60 = 21,327.60 : x
  2. Step 2: Convert to fraction form
    73,918.12/110,895.60 = 21,327.60/x
  3. Step 3: Cross multiply
    73,918.12x = 110,895.60 × 21,327.60
  4. Step 4: Simplify right side
    73,918.12x = 2,365,136,998.56
  5. Step 5: Solve for x
    x = 2,365,136,998.56/73,918.12
  6. Step 6: Final answer
    x = 31,996.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.