Home / 53,644.96-80,440.44-18,575.20

Finding the Fourth Proportional to 53,644.96, 80,440.44 and 18,575.20

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Solution

The fourth proportional to 53,644.96, 80,440.44 and 18,575.20 is: 27,853.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,644.96 : 80,440.44 = 18,575.20 : x
  2. Step 2: Convert to fraction form
    53,644.96/80,440.44 = 18,575.20/x
  3. Step 3: Cross multiply
    53,644.96x = 80,440.44 × 18,575.20
  4. Step 4: Simplify right side
    53,644.96x = 1,494,197,261.09
  5. Step 5: Solve for x
    x = 1,494,197,261.09/53,644.96
  6. Step 6: Final answer
    x = 27,853.45

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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.