Home / 57,708.35-86,553.84-18,260.33

Finding the Fourth Proportional to 57,708.35, 86,553.84 and 18,260.33

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Solution

The fourth proportional to 57,708.35, 86,553.84 and 18,260.33 is: 27,387.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,708.35 : 86,553.84 = 18,260.33 : x
  2. Step 2: Convert to fraction form
    57,708.35/86,553.84 = 18,260.33/x
  3. Step 3: Cross multiply
    57,708.35x = 86,553.84 × 18,260.33
  4. Step 4: Simplify right side
    57,708.35x = 1,580,501,248.40
  5. Step 5: Solve for x
    x = 1,580,501,248.40/57,708.35
  6. Step 6: Final answer
    x = 27,387.74

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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.