Home / 57,638.93-86,451.10-18,200.03

Finding the Fourth Proportional to 57,638.93, 86,451.10 and 18,200.03

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Solution

The fourth proportional to 57,638.93, 86,451.10 and 18,200.03 is: 27,297.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,638.93 : 86,451.10 = 18,200.03 : x
  2. Step 2: Convert to fraction form
    57,638.93/86,451.10 = 18,200.03/x
  3. Step 3: Cross multiply
    57,638.93x = 86,451.10 × 18,200.03
  4. Step 4: Simplify right side
    57,638.93x = 1,573,412,135.78
  5. Step 5: Solve for x
    x = 1,573,412,135.78/57,638.93
  6. Step 6: Final answer
    x = 27,297.74

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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.