Home / 80,497.17-111,086.54-50,300.03

Finding the Fourth Proportional to 80,497.17, 111,086.54 and 50,300.03

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Solution

The fourth proportional to 80,497.17, 111,086.54 and 50,300.03 is: 69,414.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,497.17 : 111,086.54 = 50,300.03 : x
  2. Step 2: Convert to fraction form
    80,497.17/111,086.54 = 50,300.03/x
  3. Step 3: Cross multiply
    80,497.17x = 111,086.54 × 50,300.03
  4. Step 4: Simplify right side
    80,497.17x = 5,587,655,487.66
  5. Step 5: Solve for x
    x = 5,587,655,487.66/80,497.17
  6. Step 6: Final answer
    x = 69,414.31

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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.