Home / 53,851.68-80,771.04-14,412.96

Finding the Fourth Proportional to 53,851.68, 80,771.04 and 14,412.96

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Solution

The fourth proportional to 53,851.68, 80,771.04 and 14,412.96 is: 21,617.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,851.68 : 80,771.04 = 14,412.96 : x
  2. Step 2: Convert to fraction form
    53,851.68/80,771.04 = 14,412.96/x
  3. Step 3: Cross multiply
    53,851.68x = 80,771.04 × 14,412.96
  4. Step 4: Simplify right side
    53,851.68x = 1,164,149,768.68
  5. Step 5: Solve for x
    x = 1,164,149,768.68/53,851.68
  6. Step 6: Final answer
    x = 21,617.71

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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.