Home / 53,851.69-80,776.38-14,408.80

Finding the Fourth Proportional to 53,851.69, 80,776.38 and 14,408.80

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Solution

The fourth proportional to 53,851.69, 80,776.38 and 14,408.80 is: 21,612.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,851.69 : 80,776.38 = 14,408.80 : x
  2. Step 2: Convert to fraction form
    53,851.69/80,776.38 = 14,408.80/x
  3. Step 3: Cross multiply
    53,851.69x = 80,776.38 × 14,408.80
  4. Step 4: Simplify right side
    53,851.69x = 1,163,890,704.14
  5. Step 5: Solve for x
    x = 1,163,890,704.14/53,851.69
  6. Step 6: Final answer
    x = 21,612.89

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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.