Home / 51,649.08-71,287.26-32,782.68

Finding the Fourth Proportional to 51,649.08, 71,287.26 and 32,782.68

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Solution

The fourth proportional to 51,649.08, 71,287.26 and 32,782.68 is: 45,247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,649.08 : 71,287.26 = 32,782.68 : x
  2. Step 2: Convert to fraction form
    51,649.08/71,287.26 = 32,782.68/x
  3. Step 3: Cross multiply
    51,649.08x = 71,287.26 × 32,782.68
  4. Step 4: Simplify right side
    51,649.08x = 2,336,987,432.66
  5. Step 5: Solve for x
    x = 2,336,987,432.66/51,649.08
  6. Step 6: Final answer
    x = 45,247.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.