Home / 82,176.75-123,274.85-26,772.75

Finding the Fourth Proportional to 82,176.75, 123,274.85 and 26,772.75

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Solution

The fourth proportional to 82,176.75, 123,274.85 and 26,772.75 is: 40,162.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,176.75 : 123,274.85 = 26,772.75 : x
  2. Step 2: Convert to fraction form
    82,176.75/123,274.85 = 26,772.75/x
  3. Step 3: Cross multiply
    82,176.75x = 123,274.85 × 26,772.75
  4. Step 4: Simplify right side
    82,176.75x = 3,300,406,606.47
  5. Step 5: Solve for x
    x = 3,300,406,606.47/82,176.75
  6. Step 6: Final answer
    x = 40,162.29

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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.