Home / 80,601.28-111,195.25-50,334.06

Finding the Fourth Proportional to 80,601.28, 111,195.25 and 50,334.06

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Solution

The fourth proportional to 80,601.28, 111,195.25 and 50,334.06 is: 69,439.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,601.28 : 111,195.25 = 50,334.06 : x
  2. Step 2: Convert to fraction form
    80,601.28/111,195.25 = 50,334.06/x
  3. Step 3: Cross multiply
    80,601.28x = 111,195.25 × 50,334.06
  4. Step 4: Simplify right side
    80,601.28x = 5,596,908,385.22
  5. Step 5: Solve for x
    x = 5,596,908,385.22/80,601.28
  6. Step 6: Final answer
    x = 69,439.45

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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.