Home / 67,024.28-100,383.26-31,988.54

Finding the Fourth Proportional to 67,024.28, 100,383.26 and 31,988.54

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Solution

The fourth proportional to 67,024.28, 100,383.26 and 31,988.54 is: 47,909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,024.28 : 100,383.26 = 31,988.54 : x
  2. Step 2: Convert to fraction form
    67,024.28/100,383.26 = 31,988.54/x
  3. Step 3: Cross multiply
    67,024.28x = 100,383.26 × 31,988.54
  4. Step 4: Simplify right side
    67,024.28x = 3,211,113,265.98
  5. Step 5: Solve for x
    x = 3,211,113,265.98/67,024.28
  6. Step 6: Final answer
    x = 47,909.71

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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.