Home / 54,070.74-81,108.34-18,556.46

Finding the Fourth Proportional to 54,070.74, 81,108.34 and 18,556.46

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Solution

The fourth proportional to 54,070.74, 81,108.34 and 18,556.46 is: 27,835.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,070.74 : 81,108.34 = 18,556.46 : x
  2. Step 2: Convert to fraction form
    54,070.74/81,108.34 = 18,556.46/x
  3. Step 3: Cross multiply
    54,070.74x = 81,108.34 × 18,556.46
  4. Step 4: Simplify right side
    54,070.74x = 1,505,083,892.84
  5. Step 5: Solve for x
    x = 1,505,083,892.84/54,070.74
  6. Step 6: Final answer
    x = 27,835.46

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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.