Home / 50,996.10-70,372.32-28,336.68

Finding the Fourth Proportional to 50,996.10, 70,372.32 and 28,336.68

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Solution

The fourth proportional to 50,996.10, 70,372.32 and 28,336.68 is: 39,103.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,996.10 : 70,372.32 = 28,336.68 : x
  2. Step 2: Convert to fraction form
    50,996.10/70,372.32 = 28,336.68/x
  3. Step 3: Cross multiply
    50,996.10x = 70,372.32 × 28,336.68
  4. Step 4: Simplify right side
    50,996.10x = 1,994,117,912.70
  5. Step 5: Solve for x
    x = 1,994,117,912.70/50,996.10
  6. Step 6: Final answer
    x = 39,103.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.