Home / 82,170.45-123,274.13-26,013.93

Finding the Fourth Proportional to 82,170.45, 123,274.13 and 26,013.93

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Solution

The fourth proportional to 82,170.45, 123,274.13 and 26,013.93 is: 39,026.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,170.45 : 123,274.13 = 26,013.93 : x
  2. Step 2: Convert to fraction form
    82,170.45/123,274.13 = 26,013.93/x
  3. Step 3: Cross multiply
    82,170.45x = 123,274.13 × 26,013.93
  4. Step 4: Simplify right side
    82,170.45x = 3,206,843,996.28
  5. Step 5: Solve for x
    x = 3,206,843,996.28/82,170.45
  6. Step 6: Final answer
    x = 39,026.73

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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.