Home / 311,563.38-467,344.82-74,905.98

Finding the Fourth Proportional to 311,563.38, 467,344.82 and 74,905.98

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Solution

The fourth proportional to 311,563.38, 467,344.82 and 74,905.98 is: 112,358.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,563.38 : 467,344.82 = 74,905.98 : x
  2. Step 2: Convert to fraction form
    311,563.38/467,344.82 = 74,905.98/x
  3. Step 3: Cross multiply
    311,563.38x = 467,344.82 × 74,905.98
  4. Step 4: Simplify right side
    311,563.38x = 35,006,921,740.02
  5. Step 5: Solve for x
    x = 35,006,921,740.02/311,563.38
  6. Step 6: Final answer
    x = 112,358.91

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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.