Home / 72,489.24-108,673.38-50,346

Finding the Fourth Proportional to 72,489.24, 108,673.38 and 50,346

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Solution

The fourth proportional to 72,489.24, 108,673.38 and 50,346 is: 75,476.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,489.24 : 108,673.38 = 50,346 : x
  2. Step 2: Convert to fraction form
    72,489.24/108,673.38 = 50,346/x
  3. Step 3: Cross multiply
    72,489.24x = 108,673.38 × 50,346
  4. Step 4: Simplify right side
    72,489.24x = 5,471,269,989.48
  5. Step 5: Solve for x
    x = 5,471,269,989.48/72,489.24
  6. Step 6: Final answer
    x = 75,476.99

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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.