Home / 207,673.20-311,562.33-57,913.50

Finding the Fourth Proportional to 207,673.20, 311,562.33 and 57,913.50

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Solution

The fourth proportional to 207,673.20, 311,562.33 and 57,913.50 is: 86,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,673.20 : 311,562.33 = 57,913.50 : x
  2. Step 2: Convert to fraction form
    207,673.20/311,562.33 = 57,913.50/x
  3. Step 3: Cross multiply
    207,673.20x = 311,562.33 × 57,913.50
  4. Step 4: Simplify right side
    207,673.20x = 18,043,665,568.89
  5. Step 5: Solve for x
    x = 18,043,665,568.89/207,673.20
  6. Step 6: Final answer
    x = 86,884.90

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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.