Home / 53,272.03-79,908.20-13,829.49

Finding the Fourth Proportional to 53,272.03, 79,908.20 and 13,829.49

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Solution

The fourth proportional to 53,272.03, 79,908.20 and 13,829.49 is: 20,744.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,272.03 : 79,908.20 = 13,829.49 : x
  2. Step 2: Convert to fraction form
    53,272.03/79,908.20 = 13,829.49/x
  3. Step 3: Cross multiply
    53,272.03x = 79,908.20 × 13,829.49
  4. Step 4: Simplify right side
    53,272.03x = 1,105,089,335.88
  5. Step 5: Solve for x
    x = 1,105,089,335.88/53,272.03
  6. Step 6: Final answer
    x = 20,744.27

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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.