Home / 80,535.14-111,194.10-50,334.04

Finding the Fourth Proportional to 80,535.14, 111,194.10 and 50,334.04

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Solution

The fourth proportional to 80,535.14, 111,194.10 and 50,334.04 is: 69,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,535.14 : 111,194.10 = 50,334.04 : x
  2. Step 2: Convert to fraction form
    80,535.14/111,194.10 = 50,334.04/x
  3. Step 3: Cross multiply
    80,535.14x = 111,194.10 × 50,334.04
  4. Step 4: Simplify right side
    80,535.14x = 5,596,848,416.16
  5. Step 5: Solve for x
    x = 5,596,848,416.16/80,535.14
  6. Step 6: Final answer
    x = 69,495.73

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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.