Home / 82,170.18-123,273.72-26,013.63

Finding the Fourth Proportional to 82,170.18, 123,273.72 and 26,013.63

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Solution

The fourth proportional to 82,170.18, 123,273.72 and 26,013.63 is: 39,026.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,170.18 : 123,273.72 = 26,013.63 : x
  2. Step 2: Convert to fraction form
    82,170.18/123,273.72 = 26,013.63/x
  3. Step 3: Cross multiply
    82,170.18x = 123,273.72 × 26,013.63
  4. Step 4: Simplify right side
    82,170.18x = 3,206,796,940.80
  5. Step 5: Solve for x
    x = 3,206,796,940.80/82,170.18
  6. Step 6: Final answer
    x = 39,026.29

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1.5x scale

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.