Home / 50,901.48-76,371.66-28,739.88

Finding the Fourth Proportional to 50,901.48, 76,371.66 and 28,739.88

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Solution

The fourth proportional to 50,901.48, 76,371.66 and 28,739.88 is: 43,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,901.48 : 76,371.66 = 28,739.88 : x
  2. Step 2: Convert to fraction form
    50,901.48/76,371.66 = 28,739.88/x
  3. Step 3: Cross multiply
    50,901.48x = 76,371.66 × 28,739.88
  4. Step 4: Simplify right side
    50,901.48x = 2,194,912,343.80
  5. Step 5: Solve for x
    x = 2,194,912,343.80/50,901.48
  6. Step 6: Final answer
    x = 43,120.80

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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.