Home / 82,427.36-123,639.68-26,266.71

Finding the Fourth Proportional to 82,427.36, 123,639.68 and 26,266.71

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Solution

The fourth proportional to 82,427.36, 123,639.68 and 26,266.71 is: 39,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,427.36 : 123,639.68 = 26,266.71 : x
  2. Step 2: Convert to fraction form
    82,427.36/123,639.68 = 26,266.71/x
  3. Step 3: Cross multiply
    82,427.36x = 123,639.68 × 26,266.71
  4. Step 4: Simplify right side
    82,427.36x = 3,247,608,148.37
  5. Step 5: Solve for x
    x = 3,247,608,148.37/82,427.36
  6. Step 6: Final answer
    x = 39,399.64

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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.