Home / 82,008.40-123,017.46-25,850.29

Finding the Fourth Proportional to 82,008.40, 123,017.46 and 25,850.29

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Solution

The fourth proportional to 82,008.40, 123,017.46 and 25,850.29 is: 38,776.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,008.40 : 123,017.46 = 25,850.29 : x
  2. Step 2: Convert to fraction form
    82,008.40/123,017.46 = 25,850.29/x
  3. Step 3: Cross multiply
    82,008.40x = 123,017.46 × 25,850.29
  4. Step 4: Simplify right side
    82,008.40x = 3,180,037,016.06
  5. Step 5: Solve for x
    x = 3,180,037,016.06/82,008.40
  6. Step 6: Final answer
    x = 38,776.97

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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.