Home / 82,427.13-123,639.34-26,266.46

Finding the Fourth Proportional to 82,427.13, 123,639.34 and 26,266.46

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Solution

The fourth proportional to 82,427.13, 123,639.34 and 26,266.46 is: 39,399.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,427.13 : 123,639.34 = 26,266.46 : x
  2. Step 2: Convert to fraction form
    82,427.13/123,639.34 = 26,266.46/x
  3. Step 3: Cross multiply
    82,427.13x = 123,639.34 × 26,266.46
  4. Step 4: Simplify right side
    82,427.13x = 3,247,567,765.52
  5. Step 5: Solve for x
    x = 3,247,567,765.52/82,427.13
  6. Step 6: Final answer
    x = 39,399.26

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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.