Home / 80,081.28-110,496.96-50,259.84

Finding the Fourth Proportional to 80,081.28, 110,496.96 and 50,259.84

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Solution

The fourth proportional to 80,081.28, 110,496.96 and 50,259.84 is: 69,349.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,081.28 : 110,496.96 = 50,259.84 : x
  2. Step 2: Convert to fraction form
    80,081.28/110,496.96 = 50,259.84/x
  3. Step 3: Cross multiply
    80,081.28x = 110,496.96 × 50,259.84
  4. Step 4: Simplify right side
    80,081.28x = 5,553,559,530.09
  5. Step 5: Solve for x
    x = 5,553,559,530.09/80,081.28
  6. Step 6: Final answer
    x = 69,349.04

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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.