Home / 80,461.38-110,990.54-50,194.14

Finding the Fourth Proportional to 80,461.38, 110,990.54 and 50,194.14

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Solution

The fourth proportional to 80,461.38, 110,990.54 and 50,194.14 is: 69,239.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,461.38 : 110,990.54 = 50,194.14 : x
  2. Step 2: Convert to fraction form
    80,461.38/110,990.54 = 50,194.14/x
  3. Step 3: Cross multiply
    80,461.38x = 110,990.54 × 50,194.14
  4. Step 4: Simplify right side
    80,461.38x = 5,571,074,452.46
  5. Step 5: Solve for x
    x = 5,571,074,452.46/80,461.38
  6. Step 6: Final answer
    x = 69,239.11

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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.