Home / 82,154.44-123,231.67-19,824.94

Finding the Fourth Proportional to 82,154.44, 123,231.67 and 19,824.94

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Solution

The fourth proportional to 82,154.44, 123,231.67 and 19,824.94 is: 29,737.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,154.44 : 123,231.67 = 19,824.94 : x
  2. Step 2: Convert to fraction form
    82,154.44/123,231.67 = 19,824.94/x
  3. Step 3: Cross multiply
    82,154.44x = 123,231.67 × 19,824.94
  4. Step 4: Simplify right side
    82,154.44x = 2,443,060,106.21
  5. Step 5: Solve for x
    x = 2,443,060,106.21/82,154.44
  6. Step 6: Final answer
    x = 29,737.41

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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.