Home / 82,141.27-123,227.12-25,995.51

Finding the Fourth Proportional to 82,141.27, 123,227.12 and 25,995.51

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Solution

The fourth proportional to 82,141.27, 123,227.12 and 25,995.51 is: 38,998.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,141.27 : 123,227.12 = 25,995.51 : x
  2. Step 2: Convert to fraction form
    82,141.27/123,227.12 = 25,995.51/x
  3. Step 3: Cross multiply
    82,141.27x = 123,227.12 × 25,995.51
  4. Step 4: Simplify right side
    82,141.27x = 3,203,351,895.22
  5. Step 5: Solve for x
    x = 3,203,351,895.22/82,141.27
  6. Step 6: Final answer
    x = 38,998.08

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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.