Home / 52,599.66-78,896.25-20,996.70

Finding the Fourth Proportional to 52,599.66, 78,896.25 and 20,996.70

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Solution

The fourth proportional to 52,599.66, 78,896.25 and 20,996.70 is: 31,493.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,599.66 : 78,896.25 = 20,996.70 : x
  2. Step 2: Convert to fraction form
    52,599.66/78,896.25 = 20,996.70/x
  3. Step 3: Cross multiply
    52,599.66x = 78,896.25 × 20,996.70
  4. Step 4: Simplify right side
    52,599.66x = 1,656,560,892.38
  5. Step 5: Solve for x
    x = 1,656,560,892.38/52,599.66
  6. Step 6: Final answer
    x = 31,493.76

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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.