Home / 72,008.20-107,823.30-50,833.90

Finding the Fourth Proportional to 72,008.20, 107,823.30 and 50,833.90

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Solution

The fourth proportional to 72,008.20, 107,823.30 and 50,833.90 is: 76,117.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,008.20 : 107,823.30 = 50,833.90 : x
  2. Step 2: Convert to fraction form
    72,008.20/107,823.30 = 50,833.90/x
  3. Step 3: Cross multiply
    72,008.20x = 107,823.30 × 50,833.90
  4. Step 4: Simplify right side
    72,008.20x = 5,481,078,849.87
  5. Step 5: Solve for x
    x = 5,481,078,849.87/72,008.20
  6. Step 6: Final answer
    x = 76,117.43

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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.