Home / 57,980.75-86,982.05-18,527.27

Finding the Fourth Proportional to 57,980.75, 86,982.05 and 18,527.27

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Solution

The fourth proportional to 57,980.75, 86,982.05 and 18,527.27 is: 27,794.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,980.75 : 86,982.05 = 18,527.27 : x
  2. Step 2: Convert to fraction form
    57,980.75/86,982.05 = 18,527.27/x
  3. Step 3: Cross multiply
    57,980.75x = 86,982.05 × 18,527.27
  4. Step 4: Simplify right side
    57,980.75x = 1,611,539,536.91
  5. Step 5: Solve for x
    x = 1,611,539,536.91/57,980.75
  6. Step 6: Final answer
    x = 27,794.39

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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.