Home / 54,003.81-73,985.64-51,984.03

Finding the Fourth Proportional to 54,003.81, 73,985.64 and 51,984.03

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Solution

The fourth proportional to 54,003.81, 73,985.64 and 51,984.03 is: 71,218.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,003.81 : 73,985.64 = 51,984.03 : x
  2. Step 2: Convert to fraction form
    54,003.81/73,985.64 = 51,984.03/x
  3. Step 3: Cross multiply
    54,003.81x = 73,985.64 × 51,984.03
  4. Step 4: Simplify right side
    54,003.81x = 3,846,071,729.33
  5. Step 5: Solve for x
    x = 3,846,071,729.33/54,003.81
  6. Step 6: Final answer
    x = 71,218.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.