Home / 82,190.12-123,286.01-26,029.17

Finding the Fourth Proportional to 82,190.12, 123,286.01 and 26,029.17

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Solution

The fourth proportional to 82,190.12, 123,286.01 and 26,029.17 is: 39,044.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,190.12 : 123,286.01 = 26,029.17 : x
  2. Step 2: Convert to fraction form
    82,190.12/123,286.01 = 26,029.17/x
  3. Step 3: Cross multiply
    82,190.12x = 123,286.01 × 26,029.17
  4. Step 4: Simplify right side
    82,190.12x = 3,209,032,382.77
  5. Step 5: Solve for x
    x = 3,209,032,382.77/82,190.12
  6. Step 6: Final answer
    x = 39,044.02

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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.