Home / 276,579.97-414,934.10-87,035.39

Finding the Fourth Proportional to 276,579.97, 414,934.10 and 87,035.39

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Solution

The fourth proportional to 276,579.97, 414,934.10 and 87,035.39 is: 130,573.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,579.97 : 414,934.10 = 87,035.39 : x
  2. Step 2: Convert to fraction form
    276,579.97/414,934.10 = 87,035.39/x
  3. Step 3: Cross multiply
    276,579.97x = 414,934.10 × 87,035.39
  4. Step 4: Simplify right side
    276,579.97x = 36,113,951,217.80
  5. Step 5: Solve for x
    x = 36,113,951,217.80/276,579.97
  6. Step 6: Final answer
    x = 130,573.27

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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.