Home / 80,984.28-121,476.36-41,516.20

Finding the Fourth Proportional to 80,984.28, 121,476.36 and 41,516.20

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Solution

The fourth proportional to 80,984.28, 121,476.36 and 41,516.20 is: 62,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,984.28 : 121,476.36 = 41,516.20 : x
  2. Step 2: Convert to fraction form
    80,984.28/121,476.36 = 41,516.20/x
  3. Step 3: Cross multiply
    80,984.28x = 121,476.36 × 41,516.20
  4. Step 4: Simplify right side
    80,984.28x = 5,043,236,857.03
  5. Step 5: Solve for x
    x = 5,043,236,857.03/80,984.28
  6. Step 6: Final answer
    x = 62,274.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.