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Finding the Fourth Proportional to 80,407.54, 110,926.02 and 50,200.35

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Solution

The fourth proportional to 80,407.54, 110,926.02 and 50,200.35 is: 69,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,407.54 : 110,926.02 = 50,200.35 : x
  2. Step 2: Convert to fraction form
    80,407.54/110,926.02 = 50,200.35/x
  3. Step 3: Cross multiply
    80,407.54x = 110,926.02 × 50,200.35
  4. Step 4: Simplify right side
    80,407.54x = 5,568,525,028.11
  5. Step 5: Solve for x
    x = 5,568,525,028.11/80,407.54
  6. Step 6: Final answer
    x = 69,253.77

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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.