Home / 50,959.10-70,321.20-28,299.54

Finding the Fourth Proportional to 50,959.10, 70,321.20 and 28,299.54

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Solution

The fourth proportional to 50,959.10, 70,321.20 and 28,299.54 is: 39,052.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,959.10 : 70,321.20 = 28,299.54 : x
  2. Step 2: Convert to fraction form
    50,959.10/70,321.20 = 28,299.54/x
  3. Step 3: Cross multiply
    50,959.10x = 70,321.20 × 28,299.54
  4. Step 4: Simplify right side
    50,959.10x = 1,990,057,612.25
  5. Step 5: Solve for x
    x = 1,990,057,612.25/50,959.10
  6. Step 6: Final answer
    x = 39,052.06

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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.