Home / 69,402.12-104,102.83-16,811.61

Finding the Fourth Proportional to 69,402.12, 104,102.83 and 16,811.61

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Solution

The fourth proportional to 69,402.12, 104,102.83 and 16,811.61 is: 25,217.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,402.12 : 104,102.83 = 16,811.61 : x
  2. Step 2: Convert to fraction form
    69,402.12/104,102.83 = 16,811.61/x
  3. Step 3: Cross multiply
    69,402.12x = 104,102.83 × 16,811.61
  4. Step 4: Simplify right side
    69,402.12x = 1,750,136,177.86
  5. Step 5: Solve for x
    x = 1,750,136,177.86/69,402.12
  6. Step 6: Final answer
    x = 25,217.33

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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.