Home / 53,697.20-80,545.40-16,257.20

Finding the Fourth Proportional to 53,697.20, 80,545.40 and 16,257.20

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Solution

The fourth proportional to 53,697.20, 80,545.40 and 16,257.20 is: 24,385.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,697.20 : 80,545.40 = 16,257.20 : x
  2. Step 2: Convert to fraction form
    53,697.20/80,545.40 = 16,257.20/x
  3. Step 3: Cross multiply
    53,697.20x = 80,545.40 × 16,257.20
  4. Step 4: Simplify right side
    53,697.20x = 1,309,442,676.88
  5. Step 5: Solve for x
    x = 1,309,442,676.88/53,697.20
  6. Step 6: Final answer
    x = 24,385.68

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1.5x scale

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.