Home / 53,540.92-80,247.66-40,349.80

Finding the Fourth Proportional to 53,540.92, 80,247.66 and 40,349.80

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Solution

The fourth proportional to 53,540.92, 80,247.66 and 40,349.80 is: 60,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,540.92 : 80,247.66 = 40,349.80 : x
  2. Step 2: Convert to fraction form
    53,540.92/80,247.66 = 40,349.80/x
  3. Step 3: Cross multiply
    53,540.92x = 80,247.66 × 40,349.80
  4. Step 4: Simplify right side
    53,540.92x = 3,237,977,031.47
  5. Step 5: Solve for x
    x = 3,237,977,031.47/53,540.92
  6. Step 6: Final answer
    x = 60,476.68

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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.