Home / 50,491.20-75,736.80-17,200.20

Finding the Fourth Proportional to 50,491.20, 75,736.80 and 17,200.20

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Solution

The fourth proportional to 50,491.20, 75,736.80 and 17,200.20 is: 25,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,491.20 : 75,736.80 = 17,200.20 : x
  2. Step 2: Convert to fraction form
    50,491.20/75,736.80 = 17,200.20/x
  3. Step 3: Cross multiply
    50,491.20x = 75,736.80 × 17,200.20
  4. Step 4: Simplify right side
    50,491.20x = 1,302,688,107.36
  5. Step 5: Solve for x
    x = 1,302,688,107.36/50,491.20
  6. Step 6: Final answer
    x = 25,800.30

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1.5x scale

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.