Home / 82,427.48-123,639.87-26,266.84

Finding the Fourth Proportional to 82,427.48, 123,639.87 and 26,266.84

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Solution

The fourth proportional to 82,427.48, 123,639.87 and 26,266.84 is: 39,399.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,427.48 : 123,639.87 = 26,266.84 : x
  2. Step 2: Convert to fraction form
    82,427.48/123,639.87 = 26,266.84/x
  3. Step 3: Cross multiply
    82,427.48x = 123,639.87 × 26,266.84
  4. Step 4: Simplify right side
    82,427.48x = 3,247,628,682.91
  5. Step 5: Solve for x
    x = 3,247,628,682.91/82,427.48
  6. Step 6: Final answer
    x = 39,399.83

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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.