Home / 53,712.20-80,567.90-16,272.20

Finding the Fourth Proportional to 53,712.20, 80,567.90 and 16,272.20

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Solution

The fourth proportional to 53,712.20, 80,567.90 and 16,272.20 is: 24,408.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,712.20 : 80,567.90 = 16,272.20 : x
  2. Step 2: Convert to fraction form
    53,712.20/80,567.90 = 16,272.20/x
  3. Step 3: Cross multiply
    53,712.20x = 80,567.90 × 16,272.20
  4. Step 4: Simplify right side
    53,712.20x = 1,311,016,982.38
  5. Step 5: Solve for x
    x = 1,311,016,982.38/53,712.20
  6. Step 6: Final answer
    x = 24,408.18

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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.