Home / 57,534.31-86,295.79-18,090.37

Finding the Fourth Proportional to 57,534.31, 86,295.79 and 18,090.37

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Solution

The fourth proportional to 57,534.31, 86,295.79 and 18,090.37 is: 27,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,534.31 : 86,295.79 = 18,090.37 : x
  2. Step 2: Convert to fraction form
    57,534.31/86,295.79 = 18,090.37/x
  3. Step 3: Cross multiply
    57,534.31x = 86,295.79 × 18,090.37
  4. Step 4: Simplify right side
    57,534.31x = 1,561,122,770.54
  5. Step 5: Solve for x
    x = 1,561,122,770.54/57,534.31
  6. Step 6: Final answer
    x = 27,133.77

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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.