Home / 67,225.28-100,814.33-19,827.77

Finding the Fourth Proportional to 67,225.28, 100,814.33 and 19,827.77

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Solution

The fourth proportional to 67,225.28, 100,814.33 and 19,827.77 is: 29,734.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,225.28 : 100,814.33 = 19,827.77 : x
  2. Step 2: Convert to fraction form
    67,225.28/100,814.33 = 19,827.77/x
  3. Step 3: Cross multiply
    67,225.28x = 100,814.33 × 19,827.77
  4. Step 4: Simplify right side
    67,225.28x = 1,998,922,893.44
  5. Step 5: Solve for x
    x = 1,998,922,893.44/67,225.28
  6. Step 6: Final answer
    x = 29,734.69

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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.